Hm, aren't Wookiees not 7 foot tall?
Although it's funny to unveil the existence of the not so popular allies from a far distant galaxy, if not universe: Kilrathi > Wookiees
Wouldn't it make more sense to put Chewie's head ontop of John Rhys Davies? At least Hamill knew that big walking carpet (and by that I mean Chewbacca)