Like EG did in the other thread, all you have to do to make things more alien is a few color edits:
https://www.youtube.com/watch?v=TRG7Uqifp2o&feature=youtu.be
JJ rushed ROS and didn’t really think about that kind of imagery; a few shades of difference and the desert planet becomes green/blue/red and is suddenly unique and interesting.
That’s one thing Rian did right; he was good at color-based imagery and using tweaks on established planet concepts.
Lucas PROBABLY would’ve done this with ROTJ if he hadn’t been emotionally burned out by then.