Kinect Killed the Video Star
From Music Hack Day
Uses the Kinect to turn any location into a green screen allowing you to join in with your favourite band's music video or album cover art. As a bonus, you can export any portion of your experience as an animated gif.
becky | adam [at] codasign.com
 What APIs, tools or kit did you use?
Kinect, Processing, OpenNI (with Simple-OpenNI Processing wrapper).
Uses Last.fm for album art.