DR:

In the JamesDemo file, I made the default value of Bruise Blend to 0 because I didn't think you'd normally want a bruise as soon as you load one of the materials. Perhaps you did stuff out of order?

I downloaded the file again, so I made sure I have what you have. Then I did:

1. Load James
2. Apply one of the skins, for example the "Improved" one.
3. Select James/Body on the parameter window.
4. Run Parmatic.
5. Set the PM:Bruise Blend value to .5 (or whatever)

Works every time, but my bruise is on his left cheek.

Go into the Material room, select his head, and look at the preview - does it show a bruise? Go find the PM:Bruise Blend node, make sure it is not 0. When you change it, you should be able to see the bruise in the preview.

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