Thanks for your consideration, I'm really to be pitied
Maybe some low vapor again... or breakup the tree coverage (if that's scientifically correct), we'll see. Here's some more tests, slowly building up the contents, and noticing that I forgot an alpha mask to be checked.
I realize this will be printed and thus seen not at 100%, but at 25% max size, so I won't bother with grasses. Though seen at 100% the ground doesn't look really good.
Crits are welcome of course!!