I have the same problem at my school! Small, private school. Plus the kids are not very school-spirited.
At our Zeta Days Convention thing one chapter told us about "Kidnapped".
They "kidnapped" every fraternity and sorority's president and gave them a "price" in order to get them back. The price usually wasn't money (maybe you could ask for money though) it was stuff for their philanthropy, for example, if your philanthropy was something about helping the homeless the "ransom note" would have a list of things you'd want to give to your local homeless shelter, such as canned food, etc. So while the frats and sororities are running around gathering said items, your p.o.w.'s are playing games and eating food while at your house. Also, fyi, before you do this make sure it's not a problem for the other greeks and make sure you "kidnap" them on a day there will be a good turn out from them, such as chapter meeting days.
If you need any more ideas I'm sure I have a few more. I'm also our chapter's fundraising/community service chair.
You can e-mail me at
ztabriel@gmail.com
happy fundraising! lol