I fixed the location markers to get rid of the pixelated edges.
I tweaked the saturation and lightness of the forest layer to reduce the noisiness of it. I think it helped a bit.
I also added a scale bar, which I'm not sure if I like or not. Measuring in leagues instead of miles just seemed appropriate for a region comprised of halflings.
I still need to name the rivers, but creativity is escaping me at this point. I'm operating under the 4e fluff that halflings tend to travel the rivers and whatnot, so I've yet to decide on whether or not I want to put in some roads.
Here's the update...