Wow, this is gotta to be one of the coolest things I have ever seen in my life. GREAT find!

http://roxik.com/pictaps/?pid=a275408

Unfortunately, they're almost universally terrible. And there seems to be no way to delete ones that you've made.

The only really good one I've seen so far is John Allison's: http://roxik.com/pictaps/?pid=a168390