PNG ICO ICNS MORE
Desktop apps
Smooth
Farm-fresh
refresh, zoom
Black
32x32
Windows 7 toolbar full
refresh, group
256x256
startup, refresh
Handdrawn
Web Cartoon
refresh
48x48
sync, Reload, refresh
refresh, Arrow
refresh, Page
Mac OS X style
Reload, refresh, isync
512x512
KDE Crystal Diamond
All, tabs, refresh
22x22