What's the best way to design your background for a platform game? Specifically, I like a tiled pixel look, and I understand that if I put the same tile down many times to make the floor, for example, that is an efficient way to design because it's using 1 tile to create a large area. But what if I want a very uneven surface, like the slope leading towards a pit that tumbles down into a cave. Seems like I would many several different variations on that tile to create such a surface. What if I just draw out whole floor/surface of this world in GIMP as pixel art and import and set it as a Solid, then add another layer underneath for the color of the sky. Is that bad game design?