Everyone seems to agree that ways to reskin current existing clothing (ranger cloaks, merchant gear, etc) would be a good idea- and everyone also seems to agree that dyeing clothing is a good idea (but jorbtar saying it's unfeasible)
At the same time, people do not like that cosmetic items are wasted space (no stat bonus) and think they should be able to be worn "over" other gear (cosmetic slotS)
But, others argue that that would make it silly, since you can conceal armor worn. Instead, why not have a system where certain models have an alternative color pattern, or some could even have an alternative model?
Basically, different "recolor" packs would be sold in themes, hearthfire green, auroch brown etc- that would give players a "skin patch" they could apply to any single item they own. This would change the color set to one predesigned by the devs (Shades of brown and gold etc) for each skin it's applied to. Preferably it could be sold to specific items (Druid's cloak skin patch instead of a generic skin patch).
Also, models replacing existing ingame models (One model per item)
For example, the Dev's Suck sign could be applied to any b12 and it would make the b12 look like that sign, with the same quality and all. Only one active at a time of course (Or just consumes it? Just an example).
The Pilgrim's Hat could replace Lawspeaker's hat, making it look like a pilgrim hat while giving the stats of that lawspeaker hat (with the quality and all)
And of course whatever further items are made in the future could follow this design- but a single model per item (as to not cause confusion)