Tlorber,
I have fabric covered door panels on one of my trucks. Don't like them near as well as the panels on the other truck.
http://groups.msn.com/JedsToyBox/shoebox.msnw?action=ShowPhoto&PhotoID=33 The panels in the picture are very simply and cheaply made. It's a piece of formica that was cut to size and put in place with the bottom facing out.
They're tougher than nails, and they match the interior color perfectly, and unless I tell someone what they are, they would never guess.