Frame, with glass
Paint color of choice for frame
Take the glass out of the frame. Start by sanding down frame with 200 grit sandpaper. I did this to take of the previous finish on the frame. Wipe down frame. Next, as the video above shows, paint a thick, single layer of the crackle paint. Let dry completely. Next, taking the paint color that you chose for the frame, paint a single layer over the crackle paint.
While letting the other layers dry you can start painting the glass portion with the blackboard paint. Let dry completely. (COMPLETELY, otherwise you will smudge the paint and have to keep letting it dry and it takes twice as long!) Repeat 2 more layers. Once everything is dry, put the frame back together and hang in your desired location.