PNG MORE
Desktop apps
Flat
Social Media icons
Facebook
DarkSlateBlue
64x83
PNG ICO ICNS MORE
Social media
Freebie: Social Media Icons
64x64
Soft Social Icons
Social, social media, Facebook
48x48
SocioCons
256x256
Leaf
Face, Facebook, social media
Buttonz
Facebook, Buttonz
UI
Metro UI Icon Set
512x512
Round Simple Social Icons
58x58
Metro UI Dock
New Social Media icons
Mirror, Facebook
640x640
Facebook, Mirror
Flat Social Icons
Social Circles
30x30