http://dl.dropbox.com/u/9164057/Elemental0_98-2010-07-29T17-05-43-337.zip
To crash it, I had the tile editor in 1 by 1 mode, and planted trees into the outer ring of the highlighted tile.
I repeatedly placed the same tree into two sub-tiles until it crashed (think it took about 5-8 clicks of placing the same tree).
