Ubercart: Disabling Catalog Image in Background

Hello,

I have been building a website using ubercart and have can a cross an issue. When I give an image to a category in the catalog, it makes that image the background of the grid products page of that outline. I just want this image to appear on the site.com/catalog page with it does, but I want wish to remove it form the site.com/catalog/1/line background.

Can somebody please help me out and tell me exactly where this setting is at? I've been plugging around and haven't been able to locate it.

Thanks