These icon sets are licensed under a Creative Commons Attribution 3.0 License. This means you can freely use these icons for any purpose, private and commercial, including online services, templates, skin and software. However, you should include a link to this page in your credits.
The icons may not be resold, sublicensed, rented, transferred or otherwise made available for use. Please link to this page on FatCow.com if you would like to spread the word.