All Themes are tested upto Magento 1.4.0 but you can use any of our themes if you have upgraded your Magento version to 1.4.1. To use our themes you have to do the followings:
Go to app/design/frontend/default/{Your Theme}/layout/page.xml
change the line
<block type="core/profiler" output="toHtml"/>
with this
<block type="core/profiler" output="toHtml" name="core_profiler"/>
Download "After You Buy" PDF which contains specific information on how to customize these themes on Magento 1.4.1.
Ashish
MagentoMagik
MagentoMagik