PNG ICO ICNS MORE
UI
Pixel
Fugue Icons
inbox, pencil
SaddleBrown
16x16
playlist, document, music
BurlyWood
24x24
music, inbox, document
plus, inbox
Minus, inbox
document, Text, inbox
film, inbox
document, inbox
Slide, inbox
image, inbox
inbox, table
Gnome icons
inbox
Black
48x48
inbox, Arrow
Peru
exclamation, inbox
inbox, Minus
pencil, inbox
document, playlist, music
DarkSalmon
inbox, plus
Text, document, inbox
document, music, inbox
inbox, document
table, inbox