How to apply theme..?

Here are instructions to change the theme, here are some MS links,
If you're after something custom or more elaborate, check links here and here., or search tutorials for vista themes.
but recognize that non-MS vista patches can tend to be buggy.

I hope this information allows you to resolve this issue. If you need further assistance, please post back with a comment to this thread.
If I've managed to answer your question or solve a problem, please take just a moment to rate this post....thanks!