The art itself isn't too bad, but a palette change might help. The transition from grass to dirt looks flat, likely because of the high contrast between the colors. Instead of flowing into the road, it just looks like the road is sitting atop a flat grass-pattern fabric or something. The trees, bushes, and dirt have a nice style to them, but the colors of the grass doesn't fit with the duller colors used in the foliage. The same happens with the house as well. The perspective of the house makes it look flat, due to the back of the roof being just as thick as the front, despite the angle taken for the doorway and standing pose of your sprite. The colors of the house seem a bit too vivid for the palette as well. All in all, the line art and such isn't too bad, it just suffers from a bit of too many styles in one screenshot.