Detailing
If you are going to use ZBrush for adding the details to the characters, it is important to have good UV Maps in place. I used a combination of planar and cylindrical projections and Roadkill for the pelting. For some meshes like the wooden beams and the pistol I just used a simple cubic map.
I exported each character as .obj files and imported them into ZBrush. There I separated them out into subtools and divided them about 5-6 times. I used the standard brush to add various wrinkles and scars on the face of each pirate. Projection Master was used for doing the finer details.
Color and Bump Maps
ZBrush is famous for doing displacement maps, but it also works very well for color and bump maps. In version 3, the process of texturing has been simplified and a lot of new features have been added. I used polypaint to do the major details and Projection Master for the finer ones. The colors were sampled from real photos.
Finally I created 2048x2048 texture maps from the painting I had done and 4024x4024 bump maps. I always use higher res bumps cause I find that detailed bumps add a lot of life to a render. After exporting them I converted them to mentalray's native .map format to save RAM while rendering. I also exported subdivided versions of my meshes so I could render them directly in XSI without converting to SubDs.
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