I like to scan my chips with a small amount of added contrast. My chipping buddy Mr. Shaffer (who I am sure will be along any moment) is like that guy on Spinal-Tap, he wants his contrast to go to eleven...

http://www.imdb.com/title/tt0088258/quotes?qt=qt0261726

These are your chips for your enjoyment. You want the chip to look realistic when you are selling it but for your own use you can make them look how you want.