I keep meaning to pimp
karaokegal's 4th Annual
Come As You Aren't party, and I keep forgetting.
Basically you're invited to throw on a costume and write something you wouldn't usually--a fandom, a pairing, a style you've never tried before. Stories start posting on October 31, and you have until a week after that to put yours up. Click the link for more information!
I have no idea yet if I'll manage to get a costume together for it, but I'm open to ideas, and I'd love to read what some of you could come up with!