Trying to scale bricks in a way that doesn't cause them to fall through the floor.
Checkpoint before again trying to fix problem with bricks falling through floor. (See http://hub.jmonkeyengine.org/wiki/doku.php/jme3:advanced:physics ).
Properly scaled size of bricks, but I still need to fix some issues with falling through floor. (Problem is better than it was though.)
Tried variations on the SharedConstructors to get bricks to stop falling through floor.