PNG ICO ICNS MORE
Social media
Smooth
iCloud Style Icons
Wp
DarkSlateGray
512x512
twitter
xbox, Live
youtube
yahoo
Pretty social media icons
Apple
256x256
Brightkite
Deviantart
dribbble
Meneame
Mirc
Msn
Readernaut
Wikio
Wordpress
Tumblr
Virb
Grooveshark and Twitter replacement
Grooveshark
128x128
twitter client, twitter, Tweetie
Studiom 6 Social Icons
Folkd
Movabletype