PNG ICO ICNS MORE
Computer & hardware
3D
Discovery
important, Emblem
Coral
32x32
Human o2
Folder, Orange, important
DarkGoldenrod
128x128
important, Alert, Folder
Chocolate
important, Folder, Kde
Goldenrod
Folder, important, manilla
DarkKhaki
Shopping & e-commerce
Smooth
Woothemes Ultimate Icon Set
document, important
Firebrick
UI
Pixel
Tango
Attention, update, software
DarkRed
Crystal Project
important
DarkOrange
256x256
Photography & graphic design
Dark Glass
Folder, important
DarkSlateGray
Glaze
Black
Network & communications
Oxygen
Folder, important, auto
CornflowerBlue
Mixed
Carpelinx
Book, Alert, important
Nuvola
warning, important, Attention
important, File
WhiteSmoke
Crystal Clear
File, important
Yellow
64x64