Thank you, Jack!

Actually, I didn't have to do much to the sand, which really surprised me. It's a texture from CGTextures, and I just turned it into a seamless tile and did a bucket fill. I was expecting to have have to do a lot of cloning, thinking there would be a noticeable repeating pattern, but there wasn't! Then I just laid some transparent rocky/cracked overlays on top (which I made from another texture from CGTextures), made a few tweaks to those, and that was it. I was so happy. LOL!! I've found it very difficult to find good desert sand textures, which is part of the reason why my previous attempts at a desert map failed.

Thanks again! Glad you liked it.