...Let's not forget music videos, too. Another popular form of 'fan-art' which would fit nicely into a "general artistic expression" forum.

I quite like the idea of a 'merger'. One big forum will have more traffic than umpteen little separate fora, and who knows, those who visit there to post or view images or videos might have their imagination captured by stories and poetry, and vice versa. Could usher in a whole new era of creativity...