Hey hey,
I don't have much time at the moment, so if I may, I'll just make one recommendation. The Platinum tree your using and shown in the screenshots looks too dark to go with the rest of the tileset properly but something like this:
might suit a little better. If you do use it, you might need to just change the colour of the grass and shadow but yeah.
Laters all
-Novus-
__________________
"Creativity requires the courage to let go of certainties"