Slender V2: In version 2, you can find a more rounded and realistic nails, Version 2 will be compatible with layerable tattoos for Slender v1, except for the tip of the fingers.
All the textures and opacities should have different names, otherwise, they will work as one, creating conflicts among themselves.
Save your textures in .jpg , with an 8 / 9 quality
Use the wireframe maps as reference
Thanks for support