PNG ICO ICNS MORE
Photography & graphic design
3D
Dark Glass
Man, tux, Running
Black
128x128
Computer & hardware
Smooth
Futurosoft
tux, Penguin
Network & communications
Oxygen
Animal, Penguin, tux
Penguin, tux
Desktop apps
KDE Crystal Diamond
WhiteSmoke
16x16
realistiK Reloaded
tux, Penguin, Chat
CornflowerBlue
UI
Crystal Clear
Chat, tux, Penguin
Penguin, tux, Animal
Pixel
Silk
Penguin, Page, White
Snow