Well I'd like to join in on this, if at all possible. I'm working in CS3, so converting down to Flash 8 will be no problem. I'm thinking of taking some inspiration off of the whole Simpson's "Treehouse of Horror" bit that they do every year on Halloween. It's no promise that I'll get this in or anything. Between this and the writing contest that I'm planning on entering, I'm hoping to draw ideas off the latter half.
On a separate note, FNR: do you think that you'll ever start the whole "Voice Actors are People Too" collab back up again? I went by a different name participating in that and I never got to entirely finish anything except for a few ideas for credits and a bio page.