Love it! Im still thinking about what could be done with the desert climates in this "grass" manner?
I can imagine smaller stones with different yellow-ish texture. And maybe some dry scarce plants like cactus, maybe 2 or
3 types of them? Something like this for a inspiration:
Quite scarce popullation of the model tho!
And maybe some dry grass like this? Also not lush population...
Show off your mod creations or just a work in progress.