I added PBR Materials to the Dump!
For those who want to download the IAR. They are also listed here:
https://outworldz.com/cgi/freesculpts.plx?q=pbr&s=Popular&...
I created these in Blender, the ground textures look nice in Region Land settings especially the snow.
three.hills.grid.outworldz.net:8002/GracieandDexterCommunityDump/169/126/35