Regarding the “making composition difficult on purpose” I suggest the book “Trust the process: an artist’s guide to letting go” (https://www.amazon.com/gp/aw/d/

Regarding the “making composition difficult on purpose” I suggest the book “Trust the process: an artist’s guide to letting go” (https://www.amazon.com/gp/aw/d/1570623570 https://www.amazon.com/gp/aw/d/1570623570) which has lots of interesting material on how to stimulate creativity, and explicit advice about how to use the limitations you have as stepping stones to move forward instead of like constraints that impede your progress.