I don't know if anybody seen this yet, but it's a pretty informative video outlining the design process of creative graphics on HHR panels back in 2007. I did a search and did not find it (maybe I used the wrong phrase), but here it is nevertheless
http://www.carbodydesign.com/video/?id=1232

http://www.carbodydesign.com/archive...signed-by-ccs/

 

Not sure if that video is on here but articles about those HHRs are