收集了几个免费图标站点

• yellowicon.com


• everaldo.com


• crystalxp.net


• N.Design Studio | Design + Resources


• Ajax 等待图标


• FamFamFam: Icons


• The Iconfactory


• Iconbuffet.com


• Free! Icons for your website or application


• Symbole, Buttons und Icons zum Download


• graphicPUSH Blog Icon Pack

update:
http://www.pinvoke.com/