The Social Bird icon set via inspiredm Released by Inspired Magazine, consisted the work of Frank Chimero, Jeffrey Bowman, Mills, Dyna Moe, Alex Mathers, Divya Manian, Matt Joyce and more!
TwitterFun Icons via graphicleftovers Collection contains Twitter notebook, Twitter blimp, Twitter lightbulb and Twitter monitor.
Happy Birds via webdesign.fm 4 happy go lucky birds. Comes in PSD and PNG formats.
2 Cute Twitter Icons via jeeremie The zip contains two transparent PNG icons available in resolutions of 128×128 pixels, 256×256 and 512×512. The sources are in AI files (Adobe Illustrator CS3), PSD files and EPS file.
Tweeta Free Twitter Bird Icon Set via littleboxofideas Tweeta in her glamor queen avatar or in her cute and sexy twitter cheerleader avatar. Available in 64px, 128px, 256px and 512pix in png format.
Helvetwitca Vector Typographic Twitter via Monika Halim Helvetwitca is created using HelveticaNeue LT 45 Light for it’s body, HelveticaNeue for the foot and HelveticaNeue LT 95 Black for the smiling eye and mouth.
Tweeties via Chris Wallace Include four different .png image sets (32×32, 48×48, and 80×80) and original ai format.