@thecabbagedetective These are both good:
The first is from Yansculpts, and shows how to do a texture:
https://www.youtube.com/watch?v=ktsyL2Kp5bQ
This one is from Kent, and its a bit older. It just covers the shader, but still has plenty of good info.
https://www.youtube.com/watch?v=3qeNy9vNx1U
