Add thumbnail

Author: cwickham

docs/blog/posts/2025-11-24-conf-talk-videos/index.qmd

@@ -8,8 +8,8 @@ categories:
   - Videos
 author: Andrew Holz
 date: "11/24/2025"
-image: "images/thumbnail.jpg"
-image-alt: "Collage of speakers with Quarto talks at posit::conf(2024)"
+image: "thumbnail.png"
+image-alt: "Talk Recordings at posit::conf(2025)"
 ---
 
 The posit::conf(2025) session videos are now live! We’ve created a curated playlist highlighting all the talks that showcase Quarto—how it is evolving, how people are using it, and how they’re building on top of it.