MediaRSS is a spec for syndicating multimedia files using RSS2.0 enclosures, proposed by Yahoo.com.
MediaRSS is widely used by popular services like Flickr, Picasa,FriendFeed and CoolIris.
Create a piece which loads Media RSS Feed, and show images fascinatingly.
Simple slide shows are OK, can also be some kind a game.
Although there could be some improvements, 3D presentation using canvas and comments using WebFonts found us further possibilities. We liked how organic the developer used HTML5 in this work.