PNG MORE
Desktop apps
Flat
Simply 8-bits #2
Beautiful, widgets
LightSeaGreen
96x96
PNG ICO ICNS MORE
Smooth
Farm-fresh
widgets
CornflowerBlue
32x32
Cartoon
Puck icons pack II
yahoo, widgets
Black
300x300
3D
Flat for Linux
Dashboard, widgets
256x256
Obsidianus
128x128
Mac OS X style
512x512
3D Cartoons III
settings, widgets