Plain answer: "No."
You can do a few things, like swapping another in-game skin for the default skin, and like adding a default skin to your own custom terrain, but the film would have to be recorded on that terrain for that skin to show up, I think, and swapping other skins over the default only works if the default skin is the one that you'd be replacing anyways (if the film already recorded "skin X" is in use instead of default, it won't work).
Neither of these will work after-the-fact with most films. You have to plan in advance.