I agree wit Zell on this one ziplock, the level is way to plain, try eliminating the squarish stuff you have stuck in your head, the flowers are too blan by being everywhere along the path, delete some of them.The Bridge isn't that great, try to make it look more bridge like
Be creative when making a house.Try to add new tiles to it.Make it look pretty :P
The water is bad enough, make it wit grass leading into shallow water, then into the deep for some detail.