In this tutorial, we will be going from ZBrush to KeyShot and onto a final render Using KeyShot as a render engine, we will demonstrate the importing of OBJs and all texture maps from ZBrush into KeyShot. We will also go over a detailed explanation of HDRI lighting and rendering organic creatures in KeyShot, a render engine usually associated with hard surface rendering.

http://www.digitaltutors.com/tutorial/1043-Rendering-Organic-Models-in-Keyshot