PNG MORE
Mixed
Pixel
Simply 8-bits #12
tweet, Caster
DodgerBlue
96x96
tweet, deck
Gold
PNG ICO ICNS MORE
Network & communications
16x16 Free Application Icons
internet, Social, twitter
Black
16x16
UI
Sketchdock Ecommerce Icons
tweet, Blue
24x24
tweet, grey
DarkGray
Desktop apps
Webset Icons
twitter, Animal, tweet
48x48
Social media
Social Networking
tweet, twitter, xcxcvxcv
PaleTurquoise
32x32