1 - wear a bunch of twilight gear from twilitteez.com
2 - have twilight cups and plates, etc.
3 - trivia game with prizes!
4 - poster of twilight covers, movie posters everywhere
5 - have famous quotes from the book plastered everywhere
6 - pin teh tail on teh werewolf lol
7 - have some sort of obstacle course with a pair of pants tied to your leg without falling off
8 - maybe a reading circle? or discussion?
9 - maybe act out favorite scenes from the books? (thats a bit extreme, but hey, it's midnight. People are bound to do crazy things...)
10 - cakes with those images on teh front of twilight related pics...
11 - maybe have the movie wuthering heights playing
12 - have a sort of craft center where you can make ears, tails for werewolves, or maybe the wngagement righ or bracelet...etc.
...yea...i had way too much fun comming up with this, but here ya go!