Above are 2 illustrations by famed Dune artist John Schoenherr that he painted in the early 70's for the SF Magazine Analog, for the story 'And Seven Times Never Kill Man' by George R.R. Martin. It's not hard to work out which Star Wars character these were the influence for, even down to the weapons.
Check out Ian Culbard's post here also which has some nice Star Wars related art
A LONG TIME AGO, IN A GALAXY NOT SO FAR AWAY ... THERE WAS VALÉRIAN