Few lines of code were added to list all the files that should have 777 permissions.
You can make it work with All Products contribution (if installed).
So if you are on the home page and click the "Go" button you will see all the products for selected year, make, model.
Check the after installation instructions for it.
The All Products contribution can be downloaded from - http://addons.oscommerce.com/info/1501
Download the contribution and view the screenshots to better understand this version.
The autoinstaller script requires PHP5