Thomas, I am also a woodworker, I did my door panels with cherry wood. I Used solid wood and planned it down to 1/4 inch or so. If you go to my site at the bottom you can see the door panels. I am in the process of redoing the top panel because I didn't like the top piece.

https://sites.google.com/site/bluejaygarage/home
53 half ton http://s159.photobucket.com/user/sworden73/library/?sort=3&start=all&page=1
72 Nova SS sold
75 Corvette
52 Chevy Styleline Coupe