Please somebody cant help me, i can`t find these materials… 
Have you looked in the MatCap section of the Download Center?
Look for it but I did not find it
http://www.zbrushcentral.com/zbc/showthread.php?t=65506&page=5&pp=15&highlight=matcap+adam+lewis
"hey selwy just wanted to stop in and say great work really nice forms in this piece as well as on all your other pieces im sure you will have no problem being hired looking forward to seeing your next piece you are making great progress…
also tweak cg forum was closed down it was a great forum with lots of inspiration and adam lewis was kind enough to post these matcaps when the forum was still alive thanks to him for these. all credit goes to adam lewis…
http://mihd.net/etbqlfx"
Thanks, downloading…