my only regret would be to see this dithering in the ceylan door, especially given how "mathematical" that dithering currently is. Imho, it contradicts with the quality of the alien structure and the landscape. I also note similar issues (but less obvious to the reader) with the dithered-gradient in the green hills: while your hill have definitely organic shapes, the gradients are purely horizontals. I might even prefer no gradient at all there, apart from sparse, "evading" pixels.