Web Mustang ~ Internet ~ Web Design and Development ~ Resources ~ Free Icons
UK based developer Mark James offering free Icons for your personal or commercial use.
www.famfamfam.com
Here you can browse and download Over 15,000 high quality Free Icons for Windows, Macintosh and Linux Systems.
www.freeiconsweb.com
Collection of desktop icon sets from various authors of over 12,000 high quality icons for Windows, Macintosh and Linux Systems.
www.iconarchive.com
Your source for graphical user interface enhancements for Mac OS X, Microsoft Windows, and Linux. Providing desktop wallpaper, icons, themes, and news with a focus on community.
interfacelift.com
Free windows vista style icons, free icon sets, vista wallpapers and windows vista desktop icons.
www.vistaicons.com