Hi sneather, the UV mapping that MoI exports is very rudimentary and will usually need to be replaced by a proper one inside of your poly modeling program.

The default one that MoI generates has every surface covering the entire texture rectangle rather than every surface having its own little separate island area.

In the future I want to make an "island generator" mechanism that will generate a better default UV map, but usually every poly modeling program has their own functions for generating a UV mapping by an unwrapping process, that's what you will need to apply on to your exported model in order to get a properly usable UV mapping set up on it.

- Michael