PNG ICO ICNS MORE
UI
Pixel
Fugue Icons
Xfn
DarkCyan
16x16
colleague, Xfn, met
Xfn, met, friend
retweet, Balloon, twitter
share, Block
media, player, Blue
user, worker
globe, green
twitter, Balloon
24x24
Balloon, twitter, Left
Block
Block, Blocks