PNG ICO ICNS MORE
Silk
Add, Cd, disc
SteelBlue
16x16
plus, Comment, Add
Display, monitor, plus
Silk Companion 1
bookmark, plus, Add
Chalkwork Payments
payment, plus, check out
32x32
Fugue
charge, Energy, Add
flask, plus, Add
plus, Add, Jar
Hourglass, Wait, Add
plus, water, Add
Add, Beaker, plus
plus, Add, planet
Pixelicious
Book, plus, reading
The Spherical
paper, File, Add
128x128
Computer & hardware
Smooth
Blue Bits Basic and Bonus
photo, plus, image
256x256
plus, Application
Social media
Flat
Google +1 icons
Blue, One, plus
Mixed
Bremen
plus
3D
Bright
Blue, Add, plus
512x512
Add, plus, Minus
482x482
Desktop apps
Glyph
16x16 Free Toolbar Icons
Blue, summary, adding
UI
Pixel
Fugue Icons
document, Blue, plus
plus, Ice
Battery, plus