I think I remember one of the moderators saying that the structure of the forum was going to evolve.
When this happens, wouldn't it be a good idea to have an art category to let peoples making maps and tokens exchange ideas, tutorials or ressources. It could even lead to collaborative works.
I don't really imagine it as a way to discuss "I like this style" or "these are better than those", but more as a technical board. Something that would help and encourage peoples to make game ressources. After all, there can't be too much maps and tokens, in any style.
It would make sense, I think, on any VTT forum, but even more on one like Roll20 which has a marketplace.
Or maybe it would make more sense as a completely separated marketplace forum?