JWFokker, until I saw the logo in the corner, i thought you'd managed to incorporate something of this
http://www.renderosity.com/mod/forumpro/showthread.php?thread_id=2709503
another Shader from guess who, then clicked a magic add hyper-realism button!

Just discovering that VSS brings us closer to that though, thanks again BB, those images look excellent by the way. With regrard to the thickening of ears and eyelids, I'm wondering if using the grouping tool to create new mat zones would be an option as it would be a shame to loose the density of mud on other areas.

Slightly OT but here's a link to a daft game I played with animating displacement a while ago
http://uk.youtube.com/watch?v=-Lby7pMbNhg