ZBrush BPR render and photoshop compositing

After posting the image Angry Faun on ZBrush Central i got a lot of questions about my render and comp workflow. This guide was written while I was using ZBrush 4 R2 and rendering with BPR Render. All compositing is done in photoshop. Click the image to see it in full size. angry faun ZBrush R2 BPR render workflow