I'll ask some of the techs if they can come up with any ideas.
In the meantime you could try these programs to see if you can change them so as to please the eye,
SillySot Software's Iconoid (Windows, sillyware):http://www.sillysot.com/
Quote: "Iconoid is a Windows desktop icon manager.
Make icon backgrounds transparent
Select any color for icon backgrounds"
CursorArts' ActivIcons (Windows, freeware):http://www.cursorarts.com/ca_aifw.html
Quote: "ActivIcons makes it simple to change properties for various icons on your Windows desktop and in Explorer, plus attributes for many other desktop settings. You can save and restore the desktop layout, repair corrupted icons, increase the size of the Windows icon cache to prevent future problems, and much more."