icon links

• Iconic Icon Set – 84 icons in raster and vector format — Some Random Dude

• More than 100,000 icons in one place - The ultimate icon collection.

• iconPot - totally free icons

• Free Icons and Buttons - Downloadpedia

• Free Credit Card Icons For Online-Shops | Graphics | Smashing Magazine

• Icons For Your Desktop and Icons For Your Web Designs | Graphics | Smashing Magazine

• liquidicity » 77 Vector Buttons hot off the press.

• 35 (Really) Incredible Free Icon Sets | Graphics | Smashing Magazine