With these skin issues you can inform the author and they can possibly fix it. It has already been fixed for many of the skins that didn't work previously.
Main - Intel E6750 C2D (2.66ghz)/Geforce 240
Bedroom - Intel E3300 C2D (2.5ghz)/Geforce 210
Guest Bedroom - Acer Revo 1600/ION LE
Test Desktop - Intel Q9300 C2Q (2.5ghz)/Geforce 9600 GSO