skin texture test on the Iceworm
.http://collabunlimited.net/network/groups/gallery/15_111_bda6fcaa08.jpg

Here's a video showing a test of the Zbrush displacement maps>

Click on image
http://b.vimeocdn.com/ts/233/245/233245040_200.jpg (http://vimeo.com/34270903)

More info HERE (http://collabunlimited.net/forum01/viewtopic.php?f=7&t=12)