What am I missing?
In Spark Edit

In Game

Also, what are the little Hill boxes in BG do? As far as I can tell, they are supposed to make you slide a little.
EDIT - I just noticed this, but the first time I did this, I cut out a section of trees and saved it. Now if I look around the map, that section I cut out is gone. So I tryed redoing it all with the origianl map file, and saved it, and put it in halo, and all the trees are still there, but that patch I deleted a long time ago is still gone!!! This is driving me crazy.