Update README.md

Author: GianlucaGuarini

README.md

@@ -53,6 +53,7 @@ the script works only for the images hosted on the same server in which the page
 
 ## Plugin Showcase
 
+*   [Circle Theme](http://kopatheme.com/demo/circle/html/portfolio-1col.html)
 *   [spartan-clean-responsive-business-template](http://themeforest.net/item/spartan-clean-responsive-business-template/full_screen_preview/3019206)
 *   [Teocomi.com](http://teocomi.com/photos/)
 *   [Deejay.it](http://www.deejay.it/dj/extra/widget)