I've had this bothering me for a while now.

I have, as part of my map, a base put together from Hoth and Bespin parts. Now, the Hoth hanger and tunnels both use the same textures - so I textured both dark brown. In-game it was too dark, so I lightened it a bit. Munged again - the corridors are lighter, but the hanger isn't. Clearly the texture is munging - but apparently not for everything.

Similar issue: I retextured the Hoth bunker the same shade of light brown. Munged. The walls of the hanger are light brown, but the roof - which uses the same texture - is white, stock Hoth white, as if I hadn't skinned that at all. What is the issue here? How can I completely edit a model's skin but only have part of the model reflect this new skin?

As a further example, I retexture a Bespin hallway. I munge. In-game there's no change whatsoever. I reskinned other parts of the building - and they have changed - but the hallways haven't. Whyever not?

Just had a quick look at hoth_bldg_corridor_cut and it uses 3 textures HOTH_tunnels_01 _02 and _03.tga so it might be the same for the ones you are trying to edit.

You mean they use several textures? But I edited all of them, and the changes are evident in some models but not in others, or in parts of models as is the case with the Bespin corridors and Hoth bunker.