PNG ICO ICNS MORE
UI
Pixel
Fugue Icons
lightning, weather
DarkGoldenrod
16x16
lightning, exclamation
lightning, Arrow
lightning, Minus
lightning, pencil
plus, lightning
lightning
Desktop apps
Diagona Icons
power, lightning
Mixed
Led Icons
Application, lightning
exclamation, lightning
Minus, lightning
pencil, lightning
lightning, plus