PNG ICO ICNS MORE
Signs & symbols
3D
Free 3d Glossy Interface Icon Set
mark, support, question
Black
64x64
help, support, question
DodgerBlue
Network & communications
BeOS
query, beos
128x128
PNG MORE
Desktop apps
Free Applications Icons
instruction, help book, Information
SteelBlue
24x24
mark, query, support
hint, Info, q and a
File, how to, to
WhiteSmoke
support, about, help
UI
Crystal Clear
frame, query
DimGray
22x22