Mixing and Matching your icons and your skins
http://adam.joeuser.com/index.asp?AID=309
from
WinCustomize Forums
So you've found the ultimate skin...but unfortunately the ultimate icon package you just got doesn't work with it.
The new version of SkinStudio on Object Desktop can RECOLOR your icons enmasse. I used it today to turn icons that were blue to orange (to fit my Halloween theme).
Check out this blog: http://adam.joeuser.com/index.asp?AID=309
Written by Adam himself (lead developer of SkinStudio).