If you want to create static EEP skies, it turns out to be pretty easy (credit to Jimmy Olsen). For me, I have discovered EEP as a canvas for art. I will use this approach for dj sets and festival skies. The sky can be changed out manually periodically, and the art of others may be shared as well.
It's easiest to start with an existing EEP. Go into your inventory and look for Settings.