Attached Link: http://www.renderosity.com/index.ez?viewLink=423

Post work means... using a 2d art program (paint program) to enhance your render AFTER its rendered and truned into a picture ready for posting. There is a renderocity Graphic Dictionary on your side bar. Check it out.

"Dance like nobody's watching; love like you've never been hurt. Sing like nobody's listening; live like it's heaven on earth."
  --  Mark Twain --