Hello.
I find this forum to complicated to use. Why there is not any direct support for macuser as have problem with Affinaty Photo. I se plenty treads abouth iPads.
I cant say any thing work as it suppose to do when I try your tutorials.
This time I complane about por/wrong resolution on the images/textures I got from internet to be used on my project Cracked Skin Effect tutorial.
I am following your tutorial exactly as I suppose to do. I put 2 images Face and crack