PNG ICO ICNS MORE
Flavour Extended
Alert, Comment, wrong
Gainsboro
48x48
Discovery
Alert, warning, exclamation
32x32
KOMIK
wrong, Error, warning
128x128
Dropline Neu!
Error, Alert, exclamation
Gnome 2.18 Icon Theme
Print, printer, Error
LED
wrong, Alert, warning
16x16
Free Web Design
Alert, exclamation, warning
Error, warning, wrong
Farm-Fresh Web
warning, Alert, exclamation
wrong, Alert, exclamation
chart, line, graph
Silk
Alert, cup, exclamation
wrong, disc, Alert
Fugue
Alert, wrong, warning
warning, Error, exclamation
exclamation, mahjong, Alert
switch, Alert, Error
Function
Alert, db, exclamation
Web Design
Human, Account, Alert
Error, Alert, db
exclamation, list, App
wrong, table, warning
PNG ICO MORE
Quartz
Message, exclamation, Letter
64x64
Mixed
3D
Momentum Glossy icons
Application, Error