A simple, free, online utility to convert an image to an icon. Especially hand for 16×16 favicons. ConvertIcon!
“Pixel Pushing: An Introduction to Icon Design” Geek in the Park talk / journal / hicksdesign
Share Icon Project – An icon to represent ‘sharing’: posting to social sites, sending by e-mail, etc.
Mac 101: Change Your Icons
Freebies Round-Up: Icons, Buttons and Templates | Smashing Magazine
Yet another load of free icons for all your doodadic needs. Free! Icons for your website or application at MaxPower
Lots of free icons for your web usage. Mini Pixel Icons