Hey there,
I used this thread to write a quick Post Process shader similar to the one Headstub provided. You can see the effects here:
as opposed to:
The material is downloadable here:
drive.google.com/a/ucsc.edu/file/d/0B4e3h6KodVfoVFAzYko0amt1LUk/view?usp=sharing
Please let me know if that doesn’t work. Just like other materials in this thread, it works on objects marked to use Custom Render Depth.
If you’re interested in a solution that doesn’t so heavily rely on post-process, I suggest you check out this thread.