PNG ICO ICNS MORE
Signs & symbols
Smooth
Two Tone Design Set
power, Electric, Bullb
Tomato
128x128
Mixed
48px web iconset
lightbulb, off, Idea
Gainsboro
48x48
Avatars & smileys
Buttery
Idea, Have, no
Black
Business & finance
Pretty Office Icon Set Part 6
Idea, intercommunication, commerce
256x256
UI
Stuttgart
Idea, lightbulb
WhiteSmoke
32x32
Desktop apps
Sabre
Idea, Folder
512x512
Bunch of Bluish Icons
group, Idea
Idea, user
Idea
Addictive Flavour
light, brainstorming, Idea
LemonChiffon
Brainstorm, brainstorming, Idea
DimGray
Stroke
bulb, light, Idea
Developer Kit
bulb, Idea, light
Music & multimedia
Soft Icons
tips, bulb, light
SandyBrown
One bit
Idea, bulb, light
Goldenrod
Computer & hardware
Crystal Project
Light bulb, Idea, tip
Yellow
22x22
Futurosoft
security, shield, win
Network & communications
Oxygen
Light bulb, Idea, power
Shopping & e-commerce
Siena
Idea, yellow, bulb
KDE Crystal Diamond
Vista Inspirate
Khaki