BusinessCliparts.com stacks a huge collection of cliparts, icons and graphics for Windows (XP, Vista, etc.), Macintosh (OSX, OS) and Linux (as PNG) for free download. Copyright of these graphics belong to original authors. If used for commerical purposes, due credit should be given to the author.
Windows Vista & XP / MAC OS X / Linux PNG Icons (48x48 - 256x256 pixel)
