PNG ICO ICNS MORE
Computer & hardware
Smooth
Crystal Project
agt, virus, off
Black
256x256
jabber, serv, off
16x16
Photography & graphic design
3D
Dark Glass
RoyalBlue
128x128
Futurosoft
off, logout, on
Gray
Pixel
ASP.NET icons
off, turn
LightSteelBlue
Desktop apps
Circular
power, on, off
Firebrick
off, speaker
LightSeaGreen
UI
Function icons
off, star
DarkGray
48x48
Fugue Icons
off, bulb, light
DimGray
light, off, bulb
Crystal Clear
Silk
off, lightbulb