wp e-commerce: page for displaying all products per category

I am currently developing a wordpress site and recently downloaded the latest version of wp e-commerce. As per my clients requirements, they would like users to click a menu link that would navigate to a page displaying all of the products (image + title (linked)) for the selected category. On the admin. side, there is a menu option for selecting “product categories” as links. My question is, which wpsc template file would I have to format for the page to display the products the way I need them to display? I would like to display four images with the underneath per line. One thing I noticed is that test the product categories link option the page takes a querystring parameter of “?wpsc_product_category=”. Any help would be greatly apperciated.

http://wordpress.org/extend/plugins/wp-e-commerce/