PNG ICO ICNS MORE
Social media
Smooth
Social media with original colors
Printerest, social media, Photosharing
Firebrick
256x256
PNG MORE
Power Up Your Digg
smaller, red
72x72
YOOicons Social Bookmarks
Box, red, Last.fm
512x512
button, red, Lastfm
Social Media Mini
youtube, play, button
48x48