LG 8700 Shine - colour themes?

Okee...so this is probably a really stupid question, but I cannot for the life of me figure out how to do what seems like should be a really simple thing...
My phone came with the default black headings borders (where it says "Menu" and "Contacts", and where the little icons reside on the top of the screen)...is there a way to change this colour "theme"? In previous phones I've had one can change between a couple of colour options, but I can't find an option for this anywhere here!
I suppose I can survive with the black, but I'd sure like to be able to brighten it up a bit!