PNG ICO ICNS MORE
Desktop apps
Smooth
Icons Mega Pack 1 and 2
Alloy, light
Black
256x256
Glyph
16x16 Free Toolbar Icons
help, off, on
16x16
lamp, light, question
Burn, Flame, fire
PNG MORE
3D
Free Applications Icons
Electric, shock, Energy
24x24
Bolt, weather, thunder