PNG ICO ICNS MORE
Network & communications
Pixel
16x16 Free Application Icons
help, mark, Book
DodgerBlue
16x16
help, to, mark
SteelBlue
about, help, mark
Message, mark, support
about
support, mark, help
question, mark, help
Black
PNG MORE
UI
Windows 8 Pack (Metro Style)
DarkSlateGray
26x26
Mixed
Gloss set: Basic
question, Faq, about
32x32
Fugue Icons
frame, about, question
Lynx Black
Info, I, about
DarkSlateBlue
24x24
Gnome icons
about, Man, user
WhiteSmoke