GoodSearch

I have been using this for a while and it works great.

There's a new easy way to raise money for your favorite cause. Just start using GoodSearch.com as your search engine and online shopping mall. Every time you search the Internet or make an online purchase at one of their partner merchants, GoodSearch makes a donation to your favorite nonprofit or school and it's powered by Yahoo! so you get great search results!

I chose Stitches from the Heart as my charity...