Or maybe a small update right now. One of the cut-off sides overlaps with a wall. I originally decided not to draw the wall at all, because otherwise it would cover important parts of the scene, but I think I found a way to indicate its existence without having it blot out everything behind it.

Click image for larger version. 

Name:	Aswar's Dungeon (10).jpg 
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Check out the bottom corner. Does this work for you guys? Or is it just a shabby attempt undoing much of the careful style I had going on?