PNG ICO ICNS MORE
Crystal Project
logout, shutdown, turn off
Firebrick
128x128
PNG ICNS MORE
I Like Buttons 3C
Ball, turn off, shutdown
512x512
PNG ICO MORE
Ginux
shutdown, Bye, turn off
64x64
Base Software
red, Box, Power off
256x256
Phuzion
shutdown, Power off, turn off
I Like Buttons 3A
turn off, Power off, cute
Signs & symbols
Glyph
Buttons
switch, off, power
Mixed
3D
Vista Style Base Software
turn off, Box, shutdown