You should always talk to your pastor about the details of any fundraiser.
Totally Catholic Fundraising – fund-raise with Catholic jewelry and rosaries, as well as many other Catholic items
Diocese of Arlington Fundraising Ideas
Youth Specialties 101 Ideas (note, I would not endorse all these ideas).
TED Presentation on Elements of Good Fundraising
Do NOT do the ‘Rent a teen’ idea that you see on different web sites. This is a bad idea for a number of reasons.