Has it ever bothered you that you can't change the size of the icons on your XP desktop? Thankfully they added this ability into Windows Vista, but what are your options in the meantime?
There's a small utility called Deskview that lets you change the icons from regular mode into the smaller "list" mode with a double-click.
Download and extract the zipfile, and then double-click on deskview.exe, and your icons will turn from this
To bring them back to regular mode, just double-click on deskview.exe again.
Download Deskview.exe from jimcofer.com