The last really good urban legend/internet rumor thing that I got was the photograph mock up of a guy waving on top of the world trade centers with an american airlines jet right behind him. It was obviously a fake, and the creator came forward later to debunk it, but it was still pretty good.
snopes2.com is a favorite site of mine, i used to visit it all the time between classes.
RogueMartian, Prisoner of Circumstance
I'm gonna sleep this off like a baaad hangover
"Cuz, y'know, nothing says stealth like neon-friggin'-orange." -Conekiller