WordPress.org

Create a dynamic gallery multiple widget(works as shortcode too), with thumbnails of each post with youtube/vimeo(beta) videos displayed on the content linked to the post single. Checks all you video posts, but you can filter them by category and choose the number of posts.

Based on

Media Library Gallery 1.0.2 (http://www.cybwarrior.com/media-library-gallery/) by Raphael Verchere(http://www.cybwarrior.com)

Video Thumbnails 1.0.7(http://sutherlandboswell.com/2010/11/wordpress-video-thumbnails/) by Sutherland Boswell(http://sutherlandboswell.com)

and

Simple Video Embedder(http://www.press75.com/the-simple-video-embedder-wordpress-plugin/) by James Lao(http://jameslao.com/)

Special thanks to Felipe Caroé http://www.felipecaroe.com/ for suggesting the name!