Lyn I recommend you watch this documentary about the best Dune movie never made. The Jodorowsky's Dune. 
https://www.amazon.com/Jodorowskys-Dune-Chris-Foss/dp/B00KRIYI3K	 

 Here is the trailer in Youtube:	
https://www.youtube.com/watch?v=m0cJNR8HEw0