PNG ICO ICNS MORE
Somicro
Facebook
DarkSlateBlue
32x32
variation, Facebook
Social Media icons
48x48
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odern Web Social Icons
Thumblr
64x64
psn
Social Stamps - Icon Set
128x128
Digg
WPZOOM Social Networking Icon
Gtalk
Dzone
Myspace
paypal
Pandora
Social Network
yahoo
Social Media Mini
Facebook, Sn, social network
16x16