Yeah a community around a tag, I don't know the art community well, but I'm sure there is kinda an established group around some sort of tag. I'm most active in the #steemsilvergold community and #teamcanada community. but also #teamaustralia and #thealliance. There are just groups of motivated bloggers that band together it's just a matter of seeking them out.

Here's a post with some community and some other ideas

One thing I have heard and think is good advice is focus on commenting and building your audience first till you get maybe 200 followers, then balance with you blogs and comments still. I know how frustrating it is to make an amazing blog for hours only to get like 10 views and 0.50.

I personally think minnow support project is a great community and many have associated discord channels which is worth while checking out.