Depends on what you're playing, and you might have burnout.

Eh, not likely, especially for dinosaurs that we have full skeletons of, because that much fat would be seen on the bones as damage from walking.

Not that i know of, the only thing that comes to mind is that, in One piece, Bellamy travels to a land that is known for it's dyes and makes flags there, but that isn't really a story about making flags, just a couple of cover vignettes.

Interesting, let's see where this goes