Thanks for the kind words.

The details from our preview images come from the combination of color, normal, specularity and height maps. You have all those textures to your availability.
Of course a preview in MED without any shader looks a bit less impressive

So you can render them with or without shaders of any kind.

Our Dexsoft-artists are working on upcoming similar and even greater stuff like you can see here:







Models, Textures and Games from Dexsoft