If you have installed Vista SP1 or XP SP3 due to your adventurous nature or due to some compulsion, and now you feel stuck because existing Uxtheme patchers don’t work in Vista SP1 and XP SP3 and now you are unable to install any third party visual style then these two links are for you.

bulletgreen.gif Patched Uxtheme files for Vista SP1 RC
bulletgreen.gif Windows XP SP3 Beta Uxtheme.dll