logo is from University of Alaska, Anchorage Idea Bank
Here is a resource for all philanthropists thinking about how to rapidly generate a lot of ideas - the Global:Ideas:Bank. This is an existing, free, user-generated storehouse of social-minded ideas. You can search to see what folks have already "thunk up," add your two cents, or use it as fodder to jumpstart a brainstorming session with colleagues. The related blog for the main site is here.