Good Searchhttp://www.goodsearch.com
This is a search engine, based on the yahoo engine, that donates money to the charity or nonprofit of your choice every time you search! You can even embed a search on your website.
Creative Commonshttp://www.creativecommons.org
This is a great way to encourage the distribution of your work, but also to protect your copyright. You are able to license photos, videos, websites, pdfs/writings, etc. Each license can be customized to suit your needs.