diff --git a/themes/src/custom-nu-themes/catppuccin-frappe.nu b/themes/nu-themes/catppuccin-frappe.nu
similarity index 81%
rename from themes/src/custom-nu-themes/catppuccin-frappe.nu
rename to themes/nu-themes/catppuccin-frappe.nu
index b55e7ff37..bccb5f7b5 100644
--- a/themes/src/custom-nu-themes/catppuccin-frappe.nu
+++ b/themes/nu-themes/catppuccin-frappe.nu
@@ -61,7 +61,7 @@ export def main [] {
             } else if $in > 1wk {
                 $color_palette.red
             }
-        }
+       }
         range: $color_palette.text
         float: $color_palette.text
         string: $color_palette.text
@@ -112,4 +112,40 @@ export def main [] {
         foreground: $color_palette.text
         cursor: $color_palette.blue
     }
-}
\ No newline at end of file
+}
+
+ # Update the Nushell configuration
+export def --env "set color_config" [] {
+    $env.config.color_config = (main)
+}
+
+# Update terminal colors
+export def "update terminal" [] {
+    let theme = (main)
+
+    # Set terminal colors
+    let osc_screen_foreground_color = '10;'
+    let osc_screen_background_color = '11;'
+    let osc_cursor_color = '12;'
+        
+    $"
+    (ansi -o $osc_screen_foreground_color)($theme.foreground)(char bel)
+    (ansi -o $osc_screen_background_color)($theme.background)(char bel)
+    (ansi -o $osc_cursor_color)($theme.cursor)(char bel)
+    "
+    # Line breaks above are just for source readability
+    # but create extra whitespace when activating. Collapse
+    # to one line and print with no-newline
+    | str replace --all "\n" ''
+    | print -n $"($in)\r"
+}
+
+export module activate {
+    export-env {
+        set color_config
+        update terminal
+    }
+}
+
+# Activate the theme when sourced
+use activate
diff --git a/themes/nu-themes/catppuccin-latte.nu b/themes/nu-themes/catppuccin-latte.nu
index 80f30d2bb..adc5b0f75 100644
--- a/themes/nu-themes/catppuccin-latte.nu
+++ b/themes/nu-themes/catppuccin-latte.nu
@@ -1,4 +1,3 @@
-# Retrieve the theme settings
 export def main [] {
     const color_palette = {
         rosewater: "#dc8a78"
@@ -50,7 +49,7 @@ export def main [] {
                 $color_palette.red
             }
         }
-        datetime: {|| (date now) - $in |
+        date: {|| (date now) - $in |
             if $in < 1hr {
                 $color_palette.green
             } else if $in < 1day {
@@ -115,7 +114,7 @@ export def main [] {
     }
 }
 
-# Update the Nushell configuration
+ # Update the Nushell configuration
 export def --env "set color_config" [] {
     $env.config.color_config = (main)
 }
@@ -149,4 +148,4 @@ export module activate {
 }
 
 # Activate the theme when sourced
-use activate
\ No newline at end of file
+use activate
diff --git a/themes/nu-themes/catppuccin-mocha.nu b/themes/nu-themes/catppuccin-mocha.nu
index accb237a8..6929fc5d6 100644
--- a/themes/nu-themes/catppuccin-mocha.nu
+++ b/themes/nu-themes/catppuccin-mocha.nu
@@ -1,4 +1,3 @@
-# Retrieve the theme settings
 export def main [] {
     const color_palette = {
         rosewater: "#f5e0dc"
@@ -50,7 +49,7 @@ export def main [] {
                 $color_palette.red
             }
         }
-        datetime: {|| (date now) - $in |
+        date: {|| (date now) - $in |
             if $in < 1hr {
                 $color_palette.green
             } else if $in < 1day {
@@ -115,7 +114,7 @@ export def main [] {
     }
 }
 
-# Update the Nushell configuration
+ # Update the Nushell configuration
 export def --env "set color_config" [] {
     $env.config.color_config = (main)
 }
@@ -149,4 +148,4 @@ export module activate {
 }
 
 # Activate the theme when sourced
-use activate
\ No newline at end of file
+use activate
diff --git a/themes/src/asciinema-script b/themes/src/asciinema-script
new file mode 100644
index 000000000..dfc8d2a04
--- /dev/null
+++ b/themes/src/asciinema-script
@@ -0,0 +1,8 @@
+use .. *
+sleep 200ms
+source ../nu-themes/$theme_name.nu
+clear
+print 'Theme: ($theme_name)'
+print -n (preview theme small)
+sleep 200ms
+print ""
diff --git a/themes/src/custom-nu-themes/catppuccin-latte.nu b/themes/src/custom-nu-themes/catppuccin-latte.nu
deleted file mode 100644
index 3523ac448..000000000
--- a/themes/src/custom-nu-themes/catppuccin-latte.nu
+++ /dev/null
@@ -1,115 +0,0 @@
-export def main [] {
-    const color_palette = {
-        rosewater: "#dc8a78"
-        flamingo: "#dd7878"
-        pink: "#ea76cb"
-        mauve: "#8839ef"
-        red: "#d20f39"
-        maroon: "#e64553"
-        peach: "#fe640b"
-        yellow: "#df8e1d"
-        green: "#40a02b"
-        teal: "#179299"
-        sky: "#04a5e5"
-        sapphire: "#209fb5"
-        blue: "#1e66f5"
-        lavender: "#7287fd"
-        text: "#4c4f69"
-        subtext1: "#5c5f77"
-        subtext0: "#6c6f85"
-        overlay2: "#7c7f93"
-        overlay1: "#8c8fa1"
-        overlay0: "#9ca0b0"
-        surface2: "#acb0be"
-        surface1: "#bcc0cc"
-        surface0: "#ccd0da"
-        crust: "#dce0e8"
-        mantle: "#e6e9ef"
-        base: "#eff1f5"
-    }
-
-    return {
-        separator: $color_palette.overlay0
-        leading_trailing_space_bg: { attr: "n" }
-        header: { fg: $color_palette.blue attr: "b" }
-        empty: $color_palette.lavender
-        bool: $color_palette.lavender
-        int: $color_palette.peach
-        duration: $color_palette.text
-        filesize: {|e|
-            if $e < 1mb {
-                $color_palette.green
-            } else if $e < 100mb {
-                $color_palette.yellow
-            } else if $e < 500mb {
-                $color_palette.peach
-            } else if $e < 800mb {
-                $color_palette.maroon
-            } else if $e > 800mb {
-                $color_palette.red
-            }
-        }
-        date: {|| (date now) - $in |
-            if $in < 1hr {
-                $color_palette.green
-            } else if $in < 1day {
-                $color_palette.yellow
-            } else if $in < 3day {
-                $color_palette.peach
-            } else if $in < 1wk {
-                $color_palette.maroon
-            } else if $in > 1wk {
-                $color_palette.red
-            }
-        }
-        range: $color_palette.text
-        float: $color_palette.text
-        string: $color_palette.text
-        nothing: $color_palette.text
-        binary: $color_palette.text
-        'cell-path': $color_palette.text
-        row_index: { fg: $color_palette.mauve attr: "b" }
-        record: $color_palette.text
-        list: $color_palette.text
-        block: $color_palette.text
-        hints: $color_palette.overlay1
-        search_result: { fg: $color_palette.red bg: $color_palette.text }
-
-        shape_and: { fg: $color_palette.pink attr: "b" }
-        shape_binary: { fg: $color_palette.pink attr: "b" }
-        shape_block: { fg: $color_palette.blue attr: "b" }
-        shape_bool: $color_palette.teal
-        shape_custom: $color_palette.green
-        shape_datetime: { fg: $color_palette.teal attr: "b" }
-        shape_directory: $color_palette.teal
-        shape_external: $color_palette.teal
-        shape_externalarg: { fg: $color_palette.green attr: "b" }
-        shape_filepath: $color_palette.teal
-        shape_flag: { fg: $color_palette.blue attr: "b" }
-        shape_float: { fg: $color_palette.pink attr: "b" }
-        shape_garbage: { fg: $color_palette.text bg: $color_palette.red attr: "b" }
-        shape_globpattern: { fg: $color_palette.teal attr: "b" }
-        shape_int: { fg: $color_palette.pink attr: "b" }
-        shape_internalcall: { fg: $color_palette.teal attr: "b" }
-        shape_list: { fg: $color_palette.teal attr: "b" }
-        shape_literal: $color_palette.blue
-        shape_match_pattern: $color_palette.green
-        shape_matching_brackets: { attr: "u" }
-        shape_nothing: $color_palette.teal
-        shape_operator: $color_palette.peach
-        shape_or: { fg: $color_palette.pink attr: "b" }
-        shape_pipe: { fg: $color_palette.pink attr: "b" }
-        shape_range: { fg: $color_palette.peach attr: "b" }
-        shape_record: { fg: $color_palette.teal attr: "b" }
-        shape_redirection: { fg: $color_palette.pink attr: "b" }
-        shape_signature: { fg: $color_palette.green attr: "b" }
-        shape_string: $color_palette.green
-        shape_string_interpolation: { fg: $color_palette.teal attr: "b" }
-        shape_table: { fg: $color_palette.blue attr: "b" }
-        shape_variable: $color_palette.pink
-
-        background: $color_palette.base
-        foreground: $color_palette.text
-        cursor: $color_palette.blue
-    }
-}
\ No newline at end of file
diff --git a/themes/src/custom-nu-themes/catppuccin-mocha.nu b/themes/src/custom-nu-themes/catppuccin-mocha.nu
deleted file mode 100644
index 37e4f36af..000000000
--- a/themes/src/custom-nu-themes/catppuccin-mocha.nu
+++ /dev/null
@@ -1,115 +0,0 @@
-export def main [] {
-    const color_palette = {
-        rosewater: "#f5e0dc"
-        flamingo: "#f2cdcd"
-        pink: "#f5c2e7"
-        mauve: "#cba6f7"
-        red: "#f38ba8"
-        maroon: "#eba0ac"
-        peach: "#fab387"
-        yellow: "#f9e2af"
-        green: "#a6e3a1"
-        teal: "#94e2d5"
-        sky: "#89dceb"
-        sapphire: "#74c7ec"
-        blue: "#89b4fa"
-        lavender: "#b4befe"
-        text: "#cdd6f4"
-        subtext1: "#bac2de"
-        subtext0: "#a6adc8"
-        overlay2: "#9399b2"
-        overlay1: "#7f849c"
-        overlay0: "#6c7086"
-        surface2: "#585b70"
-        surface1: "#45475a"
-        surface0: "#313244"
-        base: "#1e1e2e"
-        mantle: "#181825"
-        crust: "#11111b"
-    }
-
-    return {
-        separator: $color_palette.overlay0
-        leading_trailing_space_bg: { attr: "n" }
-        header: { fg: $color_palette.blue attr: "b" }
-        empty: $color_palette.lavender
-        bool: $color_palette.lavender
-        int: $color_palette.peach
-        duration: $color_palette.text
-        filesize: {|e|
-            if $e < 1mb {
-                $color_palette.green
-            } else if $e < 100mb {
-                $color_palette.yellow
-            } else if $e < 500mb {
-                $color_palette.peach
-            } else if $e < 800mb {
-                $color_palette.maroon
-            } else if $e > 800mb {
-                $color_palette.red
-            }
-        }
-        date: {|| (date now) - $in |
-            if $in < 1hr {
-                $color_palette.green
-            } else if $in < 1day {
-                $color_palette.yellow
-            } else if $in < 3day {
-                $color_palette.peach
-            } else if $in < 1wk {
-                $color_palette.maroon
-            } else if $in > 1wk {
-                $color_palette.red
-            }
-        }
-        range: $color_palette.text
-        float: $color_palette.text
-        string: $color_palette.text
-        nothing: $color_palette.text
-        binary: $color_palette.text
-        'cell-path': $color_palette.text
-        row_index: { fg: $color_palette.mauve attr: "b" }
-        record: $color_palette.text
-        list: $color_palette.text
-        block: $color_palette.text
-        hints: $color_palette.overlay1
-        search_result: { fg: $color_palette.red bg: $color_palette.text }
-
-        shape_and: { fg: $color_palette.pink attr: "b" }
-        shape_binary: { fg: $color_palette.pink attr: "b" }
-        shape_block: { fg: $color_palette.blue attr: "b" }
-        shape_bool: $color_palette.teal
-        shape_custom: $color_palette.green
-        shape_datetime: { fg: $color_palette.teal attr: "b" }
-        shape_directory: $color_palette.teal
-        shape_external: $color_palette.teal
-        shape_externalarg: { fg: $color_palette.green attr: "b" }
-        shape_filepath: $color_palette.teal
-        shape_flag: { fg: $color_palette.blue attr: "b" }
-        shape_float: { fg: $color_palette.pink attr: "b" }
-        shape_garbage: { fg: $color_palette.text bg: $color_palette.red attr: "b" }
-        shape_globpattern: { fg: $color_palette.teal attr: "b" }
-        shape_int: { fg: $color_palette.pink attr: "b" }
-        shape_internalcall: { fg: $color_palette.teal attr: "b" }
-        shape_list: { fg: $color_palette.teal attr: "b" }
-        shape_literal: $color_palette.blue
-        shape_match_pattern: $color_palette.green
-        shape_matching_brackets: { attr: "u" }
-        shape_nothing: $color_palette.teal
-        shape_operator: $color_palette.peach
-        shape_or: { fg: $color_palette.pink attr: "b" }
-        shape_pipe: { fg: $color_palette.pink attr: "b" }
-        shape_range: { fg: $color_palette.peach attr: "b" }
-        shape_record: { fg: $color_palette.teal attr: "b" }
-        shape_redirection: { fg: $color_palette.pink attr: "b" }
-        shape_signature: { fg: $color_palette.green attr: "b" }
-        shape_string: $color_palette.green
-        shape_string_interpolation: { fg: $color_palette.teal attr: "b" }
-        shape_table: { fg: $color_palette.blue attr: "b" }
-        shape_variable: $color_palette.pink
-
-        background: $color_palette.base
-        foreground: $color_palette.text
-        cursor: $color_palette.blue
-    }
-}
\ No newline at end of file
diff --git a/themes/src/minicap-script b/themes/src/minicap-script
new file mode 100644
index 000000000..b01bc72fc
--- /dev/null
+++ b/themes/src/minicap-script
@@ -0,0 +1,7 @@
+use .. *
+source ($theme_name)
+clear
+sleep 100ms
+print `Theme name: '($theme_name)'
+print -n (preview theme small | table -e)
+sleep 250ms
diff --git a/themes/src/powershell-script b/themes/src/powershell-script
new file mode 100644
index 000000000..e3949b410
--- /dev/null
+++ b/themes/src/powershell-script
@@ -0,0 +1,15 @@
+use .. *
+source ($theme_name)
+clear
+sleep 100ms
+print `Theme name: '($theme_name)'`
+print -n \(preview theme small | table -e)
+sleep 250ms
+
+$Host.UI.RawUI.WindowTitle = 'Theme Preview'
+Add-Type -AssemblyName System.Windows.Forms
+[Windows.Forms.Sendkeys]::SendWait\('%{Prtsc}')
+[Windows.Forms.Sendkeys]::SendWait\('%{Prtsc}')
+[Windows.Forms.Sendkeys]::SendWait\('%{Prtsc}')
+sleep 1
+[Windows.Forms.Clipboard]::GetImage\().Save\('($theme_name).png', [System.Drawing.Imaging.ImageFormat]::Png)
diff --git a/themes/src/preview-generate-screenshots.nu b/themes/src/preview-generate-screenshots.nu
index 62afaabce..668d0132d 100644
--- a/themes/src/preview-generate-screenshots.nu
+++ b/themes/src/preview-generate-screenshots.nu
@@ -9,8 +9,8 @@
 # * Place your terminal window against a separate solid
 #   background to reduce artifacts
 
-def save_screenshot [ method, theme_name ] {
-  use .../stdlib-candidate/std-rfc/str 
+def save_screenshot [ method, theme_name, themes ] {
+  use ../../stdlib-candidate-archive/stdlib-candidate-older/std-rfc/str/
   match $method {
     # This method for generating terminal screenshots uses
     # a pure-PowerShell script. The caveat is that Windows
@@ -22,153 +22,125 @@ def save_screenshot [ method, theme_name ] {
     # This method should work from either WSL or Nushell
     # for Windows
     "powershell" => {
-      let ps_script = $"
-        use .. *
-        source ($name)
-        clear
-        sleep 100ms
-        print `Theme name: '($theme_name)'`
-        print -n \(preview theme small | table -e)
-        sleep 250ms
-
-        $Host.UI.RawUI.WindowTitle = 'Theme Preview'
-        Add-Type -AssemblyName System.Windows.Forms
-        [Windows.Forms.Sendkeys]::SendWait\('%{Prtsc}')
-        [Windows.Forms.Sendkeys]::SendWait\('%{Prtsc}')
-        [Windows.Forms.Sendkeys]::SendWait\('%{Prtsc}')
-        sleep 1
-        [Windows.Forms.Clipboard]::GetImage\().Save\('($theme_name).png', [System.Drawing.Imaging.ImageFormat]::Png)
-      "
+      # in the powershell script template replace "$theme_name" the text holder with $theme_name the actual string passed to this function
+      let powershell_nu_script = open powershell-script --raw | str replace -a "$theme_name" $theme_name
     | str dedent
 
       $"powershell.exe -c \"
-      ($ps_script)
+      ($powershell_nu_script)
       \""
     }
 
     # Requires MiniCap, a utility for capturing screenshots on Windows
     "minicap" => {
-      $'
-        use .. *
-        source ($name)
-        clear
-        sleep 100ms
-        print `Theme name: '($theme_name)'`
-        print -n \(preview theme small | table -e)
-        sleep 250ms
-
-        c:\\apps\\MiniCap\\MiniCap.exe -captureactivewin -bordershadow -save ($theme_name).png -closeapp -exit
-      '
+      # in the script template replace "$theme_name" the text holder with $theme_name the actual string passed to this function
+      let minicap_nu_script = open minicap-script --raw | str replace -a "$theme_name" $theme_name
+
+
     } 
 
     # Requires asciinema (Linux/Mac only), agg (asciinema to gif), and ffmpeg
     # Currently uses Caskaydia Cover Nerd Font installed in user's local fonts
     "asciinema" => {
       print $theme_name
-      $"
-        let asciinema_nu_script = $\"
-          use .. *
-          sleep 200ms
-          source ../nu-themes/($theme_name).nu
-          clear
-          print 'Theme: ($theme_name)'
-          print -n \\\(preview theme small)
-          sleep 200ms
-          print ""
-        \"
-
-        mkdir conversions
-
-        asciinema rec -c $'nu -c "\($asciinema_nu_script)\"' ./conversions/($theme_name).cast
-
-        # Define terminal colors for asciinema-to-gif converter
-        let sgr_colors = {
-          black: r#'000000'#
-          red: r#'800000'#
-          green: r#'808000'#
-          yellow: r#'008000'#
-          blue: r#'000080'#
-          magenta: r#'800080'#
-          cyan: r#'008080'#
-          white: r#'c0c0c0'#
-          gray: r#'808080'#
-          bright_red: r#'ff0000'#
-          bright_green: r#'00ff00'#
-          bright_yellow: r#'ffff00'#
-          bright_blue: r#'0000ff'#
-          bright_magenta: r#'ff00ff'#
-          bright_cyan: r#'00ffff'#
-          bright_white: r#'ffffff'#
-        }
-
-        use ../nu-themes/($theme_name).nu
-        let theme_fg_bg = {
-          background: \(\(($theme_name)).background | str replace '#' '')
-          foreground: \(\(($theme_name)).foreground | str replace '#' '')
-        }
-
-        # Combine the theme foreground/background with the SGR colors for an agg theme
-        let agg_theme = {
-          ...$theme_fg_bg
-          ...$sgr_colors
-        }
-        | transpose key value
-        | get value
-        | str join ","
-
-        # Convert asciinema recording to gif
-        # Line-height of 1.2 to keep table drawing characters together
-        agg -v --font-size=24 --renderer=resvg --line-height 1.2 --font-dir ~/.nix-profile/share/fonts/truetype/NerdFonts --font-family \"CaskaydiaCove NFM\" --theme $agg_theme ./conversions/($theme_name).cast ./conversions/($theme_name).gif
-        rm ./conversions/($theme_name).cast
-
-        ffmpeg -i ./conversions/($theme_name).gif -vf 'select=eq\\\(n\\,1)' -fps_mode vfr -q:v 2 -frames:v 1 -update 1 ../screenshots/($theme_name).png
-        rm ./conversions/($theme_name).gif
+      
+      # in the asciinema script template replace "$theme_name" the text holder with $theme_name the actual string passed to this function
+      let asciinema_nu_script = open asciinema-script --raw | str replace -a "$theme_name" $theme_name
+
+      mkdir conversions
+      asciinema rec --overwrite -c $'nu -c "\($asciinema_nu_script)\"' ./conversions/($theme_name).cast
+
+      # Define terminal colors for asciinema-to-gif converter
+      let sgr_colors = {
+        black: r#'000000'#
+        red: r#'800000'#
+        green: r#'808000'#
+        yellow: r#'008000'#
+        blue: r#'000080'#
+        magenta: r#'800080'#
+        cyan: r#'008080'#
+        white: r#'c0c0c0'#
+        gray: r#'808080'#
+        bright_red: r#'ff0000'#
+        bright_green: r#'00ff00'#
+        bright_yellow: r#'ffff00'#
+        bright_blue: r#'0000ff'#
+        bright_magenta: r#'ff00ff'#
+        bright_cyan: r#'00ffff'#
+        bright_white: r#'ffffff'#
+      }
+
+      const nu_themes = "../nu-themes"
+      let theme = $themes | where $it == $theme_name
+      let name_of_theme = $theme | get 0
+
+      # need to import one of the themes at ../nu-themes/(some-theme).nu
+      # but compiler will fail because
+      # name_of_theme is not a parse time constant
+      # is there a workaround?
+      use $"../nu-themes/($theme_name).nu"
+      use $"($nu_themes)/($name_of_theme).nu"
+      use $"($nu_themes)/($theme_name).nu"
+      print "using theme:"
+      print $theme
+
+      let command = $"($theme_name) | get background | str replace '#' ''"
+      print "command to run:"
+      print $command
+      asciinema rec --overwrite -c $'nu -c "\($"($theme) | get background | str replace '#' ''")\"' ./conversions/($theme_name).cast
+
+      let theme_fg_bg = {
+        background: (nu -c $command)
+        foreground: (nu -c $command)
+      }
+
+      # Combine the theme foreground/background with the SGR colors for an agg theme
+      let agg_theme = {
+        ...$theme_fg_bg
+        ...$sgr_colors
+      }
+      | transpose key value
+      | get value
+      | str join ","
+
+      # Convert asciinema recording to gif
+      # Line-height of 1.2 to keep table drawing characters together
+      agg -v --font-size=24 --renderer=resvg --line-height 1.2 --font-dir ~/.nix-profile/share/fonts/truetype/NerdFonts --font-family \"CaskaydiaCove NFM\" --theme $agg_theme ./conversions/($theme_name).cast ./conversions/($theme_name).gif
+      rm ./conversions/($theme_name).cast
+
+      ffmpeg -i ./conversions/($theme_name).gif -vf 'select=eq\\\(n\\,1)' -fps_mode vfr -q:v 2 -frames:v 1 -update 1 ../screenshots/($theme_name).png
+      rm ./conversions/($theme_name).gif
       "
     }
   }
-
 }
 
-def "preview generate screenshots" [screenshot_method, theme_count = 10_000] {
-  use .../stdlib-candidate/std-rfc str
-
-  let themes = (
-    "../nu-themes/"
-    | path expand
-    | path join "*.nu"
-    | into glob
-    | ls $in
-  )
-
-  for theme in $themes {
-      let name = $theme.name
-      let basename = ($theme.name | path parse | get stem)
-
-      let filename = (
-        "../screenshots"
-        | path join $'($name | path parse | get stem).png'
-      )
+def "preview generate screenshots" [screenshot_method, themes, theme_count = 10_000] {
+  use ../../stdlib-candidate-archive/stdlib-candidate-older/std-rfc/str/
+
+  for $theme in $themes {
+
+    let filename = "../screenshots" | path join $theme ".png"
+  
+    let script = $"
+      #use .. *
+      #source ($theme)
+      #clear
+      #sleep 100ms
+      #print `Theme name: '($theme)'`
+      #print -n \(preview theme small | table -e)
+      #sleep 250ms
+      (save_screenshot $screenshot_method $theme $themes)
+      "
 
-      let script = $"
-        #use .. *
-        #source ($name)
-        #clear
-        #sleep 100ms
-        #print `Theme name: '($basename)'`
-        #print -n \(preview theme small | table -e)
-        #sleep 250ms
-        (save_screenshot $screenshot_method $basename)
-        "
-
-      # Run with default config
-      # nu -n -c $script
-      nu -n -c $"(save_screenshot $screenshot_method $basename)"
+    # Run with default config
+    # nu -n -c $script
+    nu -n -c $"(save_screenshot $screenshot_method $theme $themes)"
   }
-
 }
 
 def "preview generate readme" [] {
-  use .../stdlib-candidate/std-rfc str
+  use ../../stdlib-candidate-archive/stdlib-candidate-older/std-rfc/str/
 
   # README Title
   "# Screenshots of Theme Previews\n\n"
@@ -204,7 +176,7 @@ def "preview generate readme" [] {
 }
 
 def main [screenshot_method] {
-  use .../stdlib-candidate/std-rfc/str 
+  use ../../stdlib-candidate-archive/stdlib-candidate-older/std-rfc/str/
 
   if $env.PWD != $env.FILE_PWD {
     "
@@ -217,8 +189,22 @@ def main [screenshot_method] {
 
     return
   } else {
-    mkdir ../screenshots
-    preview generate screenshots $screenshot_method
-    preview generate readme
+      let nu_themes = (
+        "../nu-themes/"
+        | path expand
+        | path join "*.nu"
+        | into glob
+        | ls $in
+      )
+
+      # this is the file name of all the files in ../nu-themes
+      let themes = $nu_themes | each { $in.name | path parse | get stem }
+
+      mkdir ../screenshots
+      preview generate screenshots $screenshot_method $themes
+      preview generate readme
   }
-}
\ No newline at end of file
+
+
+  }
+