Found this while browsing. Came in very handy for me.

320 FREE 14x14px icons for web sites

Mini Pixel Icons

from the site:
"These mini icons are designed at 14x14px with transparent background. They are specially designed for header or side navigation buttons. Feel free to use these icons for your site (personal or commerical). However, if you are using more than 10 icons, you must give a link back to www.ndesign-studio.com."