Hello Joseph:
As much as it deserves. I show it in three places. The tool is very subjective and deserves personal experimenting. No recipes......
The sketch rendering aspect is something that can't be generally applied since each image is so unique. And the truth is that anyone any good in Artlantis is going to have an image editor with some filter effects that can be instantly applied and changed, remembered exactly, and will be more sophisticated.
For example, the edge definition tool. Artlantis will find edges, but they are black. In the book, I show you in an image editor how to make them a color complimentary to your design scheme.
There is one place where the Artlantis sketch tool is great. The desaturation and tinting. Tasteful and not heavy handed.
Are you having any specific issues with this tool?
Dwight Atkinson