Are many of you aware of this? http://en.wikipedia.org/wiki/Cinemagraph
Seems like it's a fairly simple process of taking video footage, putting it into Photoshop CS5, taking snippets of frames, and looping it into a .gif format. But SO cool!
Example sites:
http://cinemagraphs.com/ (check out the dogfish stuff!)
http://fromme-toyou.tumblr.com/tagged/cinemagraph
How to do it yourself: http://fernandojbaez.com/cinemagraph-tutorial/