Thank you for the replies.
I have tried Ryan’s and Luciano’s plugins. Also followed Luciano’s Udemy Course. The first pass wasn’t what I had hoped for though.
After this post, I found these Forum threads:
It seems I’ll need to do some more work on the material shader. With my own shader, it looked like the light/shadows on the trees were coming from a different direction (idea there…). I’ll definitely need to tinker some more.
Hopefully the OI generation currently in-engine will be expanded.