The 'body' slider that makes you more muscular gave me an idea recently.

How possible would be to implement a Fable-like system of changing your appearance?

That is, the more physical skills you raise, the more muscular you become. Though I'd have to think of something else for Agility/Magicka skills.

If the mods we can make are anything like in Oblivion, then I'm sure it would be possible to make your body change with your skills. True Body Shapes mod for Oblivion has an example of body changing by strength in it.

For magical skills, perhaps based on the school? Slight eye glow, under-skin runes for destruction, fading or shifting for illusion, daedric script lines, visible bones, smoke coverings for conjuration etc. Can't think of something right for alteration and restoration.

I'd prefer it to be subtle, that's why only one for each type.

So you're not suddenly half-wizardy just because you heal yourself with restoration and do nothing else magically.