There are hundreds, and most of them are just lost links on irc or on some random imageshack/photobucket accounts. Anyways, if any of you guys have been hoarding links over the years, post good ones here! Many of them probably contain semi-inside jokes, but no big deal. Maybe avoid posting the really nasty ones.
I'll start with some sLY classics:
And this one:
And here's an album:
http://imgur.com/a/L6QJS