Maybe you should try buffering art, so you can post a few things a few times a week, even if you haven't had time to do much drawing that week.

What is buffering art?

If you were particularly nosy with regards to my Photobucket account, you might notice that there's a stack of recent artwork that I have yet to post. That's my buffer: A stack of finished works that allows me to post on a regular schedule, even if I'm too busy to draw new art.