I've tried to come with the best way to ask this, and I can't figure it out...so I'll just attach two screenshots on what I am trying to accomplish.

The jist is to be able to have the background change ONLY when in a certain set of subcategories.

Here's how it is now...
http://www.ats-dothan.com/precisionpet/pp_cat_now.gif

Here's what I want...
http://www.ats-dothan.com/precisionpet/ppp_cat_Want.gif

any help would be GREATLY appreciated.