PNG ICO ICNS MORE
Desktop apps
Pixel
Diagona Icons
Idea, Light bulb
Goldenrod
16x16
Mixed
3D
Flavour Extended
brainstorming, Idea, Brainstorm
DarkSlateGray
48x48
Idea, lightbulb
LemonChiffon
UI
Tango
Dialog, Idea, Information
Black
32x32
Glyph
Ecqlipse 2
128x128
Computer & hardware
Smooth
Crystal Project
Light bulb, Idea, tip
Yellow
256x256
Idea
22x22
Photography & graphic design
Dark Glass
bulb, light, Idea
Futurosoft
security, shield, win
Network & communications
Oxygen
Light bulb, Idea, power
Shopping & e-commerce
Siena
Idea, yellow, bulb
KDE Crystal Diamond
Nuove
Khaki
Vista Inspirate
Crystal Clear
tip, Light bulb, Idea
Orange
Gold