PNG ICO ICNS MORE
Social media
Smooth
Twitter Icons
40, twitter
SteelBlue
128x128
PNG MORE
Designfloat, Social
50x50
Function Social Icons
Facebook, Social, Book
48x48
Metallic Social Icons 01
google +, social media, Social
Web 2 icons
Facebook
512x512
Myspace
Stumbleupon, Badge
Icons Web 2.0
Linkedin