Mah trees, mah trees everywhere!
I don't know if it would be possible but it would be nice if the trees had a randomised rotation and model when you spawn them to make them look more natural.
http://i169.photobucket.com/albums/u201/phydeoux3/Blockland_00758-1.png
http://i46.tinypic.com/iejhww.png
what is this. a tree does not grow like that.