For covering, I've been using Avery A6 sign vinyl......comes in almost any color as seen here:
http://www.signwarehouse.com/c-VAVA6O2410.html
Here's the discussion about it on the RCCA site:
http://rccombat.net/forum/viewtopic.php?f=10&t=13401
Wonderful stuff. Sticks great, shrinks good, and very tough.....just wished I'd found it years ago