Ah… searching for more pics led to this - http://cdn.moviestillsdb.com/sm/ba5c5aacb00c284692aa349bb8006836/star-wars.jpg
I’d say this is an ideal image for the Tatooine desert/R2-D2/C-3PO colors and the skin tones (though they are hard to see they are reddish and consistent with the blistering temps in Tunesia).