I haven’t finished the theme yet, but I’ll finish it soon.
Now you need to cut the pictures into mosaics.
Now it goes on, first it goes on with repetitions and then without them.
Now it goes on, first it goes on with repetitions and then without them but array images.
With a random rotation on its axis so that even squares poke into each other.
Endless procedural generation of image mosaics with the same image size in XZ coordinates.
Endless procedural generation of tiles with the same size, and with their random rotation.
Endless procedural generation of tiles with the same size, and with their random rotation, and endless generation of biomes of different sets of pictures.
There is also a python version → github.