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Absolute 32 Icons
Commercial usage: Not allowed
Dumper Icons
Neon Social Media Buttons
Old Social Icon Set
Black Delicious Icon
Social Bookmark Sketchy Icons
Commercial usage: Allowed
Black Digg Icon
Black Flickr Icon
Black Last.fm Icon
Black RSS Icon
Black StumbleUpon Icon
Black Technorati Icon
Black Twitter Icon
Black WordPress Icon
Black Icon
Fender Garageband Icons
Modern Web Social Icons
Minimo Icons
Black Dash Icon
Sabre Dash Icons
OLED Social Icons
SeaArmour Icons
YouTube Active Icon
Dark Social Icons
YouTube Dark Icon
YouTube Fireworks Icon
Black'UPS Icon
Black'UPS Icons 2 for iPod
Simple Social Icons
YouTube Color Icon
Social Granit Cube Icons
YouTube Color 2 Icon
YouTube Rollout Icon
Genesis Icons for iPad
Black Audio Icon
Vidro Icon Set