Gumroad: https://gumroad.com/tomnewbury
Due to high request I have finally finished putting together an in depth tutorial showing my entire skin texturing and look development process. This process takes full advantage of Texturing XYZ maps including how to prepare them and how to use them in look development.
Check out this intro video for more information on the tutorial: https://www.youtube.com/watch?v=U5JRFL94uN0
I have also posted one of the chapters here: https://www.youtube.com/watch?v=4pjSU-MWNCQ