There's one strange tile about 4 tiles left of the protagonist house, from the lowest flowers directly next to the house.
http://www.youtube.com/watch?v=N54OLKmq-5s
I'm messing around with the demo now which is a bit of fun.
Also my personal opinion but the sprite for Eevee seems odd at the mouth, it looks more like "+" then an actual mouth.
Few more buggy tiles:
http://www.youtube.com/watch?v=i654sf2cVxw