Details here. I'm helping judge the entries of this contest, so that ought to be fun. Note that even if you don't want to submit a dice chart (or if you hate winning prizes), you should still click that link to check out the cool illustration.
"Man, is there anything Jeff CAN'T do when it comes to gaming? This guy is like a critical 20 every roll. Jeff can bite the heads offa five game geeks, including their sorry-ass DM, and spit 'em into a large duffel bag ONE AT A TIME!...that's just the kind of messed up bastard he is! You think yer a gamer, punk? Well..do ya? Jeff will depants your weasel-ass right in front of your grandma."