I had a model that I did about 2 years ago in my Zbrush folder, waiting to be rendered.
With the release of Zbrush 4 its the perfect moment. I decided to render it all inside Zbrush and do the usual composite inside Photoshop.
Here is the result
[attach=224002]Simba_low.jpg[/attach]
And here are some of the render passes out of zbrush
[attach=224003]Composite_low.jpg[/attach]