PNG ICO ICNS MORE
Desktop apps
Smooth
Icons Mega Pack 1 and 2
adobe, cs3, illustrator
Chocolate
256x256
3D
Mozilla icons
Firefox, Png
Prime Dock Icons 2
Firefox
512x512
48px icons 2
48x48
New Google Product Icons
Analytics
128x128
open, programs, Source
old, Sites
Quetto
Folder, picture