This is an old art thread which is probably still linked to from some other sources, so if you've landed here please check out some of my newer tools
New! Pixel8r v1.5
New! Advanced Normal to Roughness Node
Dog Library Generators - Substance Designer
3D Wood Generator - Substance Designer
If you find these valuable, please consider purchasing in order to help support my efforts towards providing more things like this.
Thank you for looking! All feedback is welcome!