Jungle Terrain/Table Part 6: Jungle Stands

Here are three jungle stands that I have built to match the ruins and statue head. They were pretty painless to build, and I purposefully tried to leave enough room within them to place troops, for difficult terrain. The next couple of pieces I would like to build would have rocks, or super thick trees in the center and count as impassible, to block line of site.

What else do I need to build/add for a jungle themed table? I want to have a bunch of terrain made and ready to go before I start on the actual table!