It doesn't have to be in a gallery or an art walk. Hang it up in your house or apartment. Give pieces away to friends that like them to put up in their homes. It doesn't even have to be physically hanging something. Post to Instagram, a blog, wherever. Just get it up and let people see it.
Here is a new collection of charcoal faces I've started and my wall where I'm putting them up. I want so badly to cover this whole thing. I find myself staring a people (it's awkward...) on the subway or on the street, studying their faces. As I put more up I'll keep posting pictures of how the wall is coming.