Playing some more with DS and filters to make some kind of graphic novel image. This is a similar method as the earlier one, but only using two layers. And really the effect is post render.
The base image was rendered using Iray.
Top Layer :
Then using Filter Forge Artification by Bobbiethejean I made this layer :
Then simply multiply the original over the detail layer.
Then in Photoshop Image->Adjustments->HDR Toning and tweak as desired. Final result is this :