Up-to-date scholarship listing can be found on Google Docs here
National scholarship search sites:
Fastweb: set up an account and get custom scholarship matches
IU's non-IU scholarship page: on IU's website, but contains scholarships not affiliated with IU
College Board Scholarship Search: an index of scholarships and other financial aid from over 1500 sources
Scholarship America: non-profit organization founded in 1958