The texturing is one of the processes I iterate a lot.
This is not the final result yet, but it is closer to...
As we can see here, there is the diffuse map, normals map and wireframe map.
The specular is not ready yet, but it will be soon :)
Shadow map, or AO map is mixed on the diffuse. The Shadow map sample is below.
Regards dear people from The Earth, we salute you.