This could get addictive really, really quickly: Google Image Labeler. Google pairs you up with a partner who’s on-line, and you try to label the image, and you have a set amount of time to hit on a match that becomes a defacto tag for that image. They have a list of forbidden most-obvious labels. It’s pure e-v-i-l.
Asparagus pee, Gooblek & Other Neat stuff
Time to take this bull by the horns and milk it.