For anyone who doesn't quite understand, the three guys over there uploaded a three-panel comic that is complete with graphics and speech balloons - the only thing missing is the text inside the speech balloons. That's what they're going for as far as submissions are concerned.
Even without text, it's a particularly fun strip!
Oh, and as long as we're bragging about milestones, 6Prime just reached its 100th episode last thursday, but it wasn't interactive.