Stashed in: Lolcats!, The Web, Dogs!, @snoopdogg
HTTP status codes illustrated with dogs!
Better than HTTP status codes with Hip Hop artists:
I guess technically Snoop Dogg qualifies for both.
And here is the same thing with cats: http://www.flickr.com/photos/girliemac/sets/72157628409467125
So many good ones! I love 500, of course, but this one is my favorite: