PNG ICO ICNS MORE
UI
Pixel
Fugue Icons
plus, quill
DimGray
16x16
plus, Rocket
DarkSlateGray
Scanner, plus
Service, bell, plus
sofa, plus
Tan
speaker, plus
SaddleBrown
plus, Spray
plus, store
Red
monitor, system, plus
task, plus
plus, telephone
LightGray
Traffic, plus, cone
DarkRed
Usb, Flash, plus
water, plus
SteelBlue
frame, octagon, plus
plus, button
LimeGreen
plus, White
RoyalBlue
plus, octagon
Green
White, plus
expand, plus, toggle
PC 100 Icon Pack
Add, plus
DarkOrange
32x32
WooFunction Icon set
Add, plus, green
YellowGreen
plus, Newspaper, Add
WhiteSmoke
PNG MORE
Tiny icons
ForestGreen
10x10