Thanks for the reply - I didn't even think about PBR (obviously I've been away from 3D for too long already!) and haven't really done that kinda thing before so would have to have a good read before attempting. Great idea!
Well, to be fair, this is exactly how they've outlined the terms of use for the site, so I don't understand why you're surprised. Read the license terms before using a textures site. http://www.texturepix.com/license-terms.php Very important info in my opinion, since I need to know if I'm covered against copyright…