Well you can always skin your OS GUI. Depending on your OS and version of LT. With XP and Vista your can run the UXpatcher and use any of the thousands of MS Visual Styles out there to change the way your OS looks and to some extents acts.
http://uxstyle.com/
After running this you can then download and use the visual styles that you can see over at deviantART.com
http://browse.deviantart.com/customization/skins/vistautil/visstyles/?order=9
or other Visual Style web sites
I run these myself as I like to have a little style with my PCs.