well... i know there are events for the game..
but how about forum events?
some ideas:
Have a best siggy contest
whoever has best siggy gets a prize
have a best avatar contest
self explanatory
have who posts most contest
the bad part: people start spamming >.>
have a creative drawing contest
draw anything, and post it.
Have a forum moderator contest
pick the best person for the forum mod
have a... n/m
I'll post more when i think of more...