This was the latest mockup version posted on reddit btw:
Nonononono! Revert the blur! Revert the blur!
I'm wondering if the mountains should rather look like plateaus, with the peaks looking as they do now or something similar.
Though by now I think it is best to follow the original design. The white highlight/snow? on the peaks is a simple and good addition.
Make the green gaps dark gray or what ever shader colour (greyish cyan, magenta?) you are using to make most of the grumpy old ladies happy.
Either that or change the basic shape of the mountains to be more of a half-spherical shape to cover as much of the gap as possible
Are the caves with a flag supposed to be fortresses? I always imagined them more like the warhammeresque Iron gates flanked with two huge Dwarven Statues.
They don't really stand out or break up the mountain regions they are in as of now.
Also... convince toady that different settlement sprites for different biomes is a good idea, even if you end up not using it, the Mod potential is great..
A few other pointers:
Tundras are not really seamless.
Rocky wasteland?, steppe? uses outlines with too much contrast. (the sand dunes with the white spikey bits sticking up from them.)
Dark pits as well, use a less violent black outline. It is very unclear to me what they are supposed to resemble.
All the forests are spruce. Yet there are NO SPRUCES INGAME Some Obvious ones, I assume are WIP:
Savanna borders don't match, volcanoe is too red, Ice and tundra lackborders etc.
Just a few kinks, most can be fixed if added support for tile variation
The stump looks fine as is, though with the new walls and how they work, in addition to which direction you end up going with the thick tree branches, the shader makes sense.
Directional walls may not translate very well to bendy and round treebranchs though.
A good thing with the internal shader is, that you can use it in a alpha layer, to better show if tree is designated to be cut down or not. i.e. it will turn from black to dark yellow/brown when designated.