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http://www.iconfan.com iconfan
http://www.fook.net/icons/index.htm food's icons
http://www.iconizer.com/home/index.html iconizer icon studioos
Http://www.softidentity.com/ SoftIdentity.com
http://www.stockicons.com/ stockICons
http://www.wincustomize.com/ WincuSTomize
Http://xicons.com/xicons - Mac OS X icons