Manipulating images generated in 3D programs is often referred to as "post work." The techniques I use to post work a 3D image are similar to those used for photo manipulation.

Click each thumbnail to view larger. To view these properly, you must have javascript enabled. If you cannot use javascript, then click the links beneath each image to view them larger. This will open each image into a new window or tab (depending upon your browser).

Render: Stage 1

Render: Stage 2

Finished Image