I'm passionate of the "theatre of the mind" that is a podcast. It's an audio experience, so I've never been particularly interested in adding a video component. Instead, I've focused on making it sound great.
Mark Hebscher comes from the world of television, and has always been keen on utilizing video when recording his podcast Hebsy on Sports. I started experimenting with live video streams, using Toronto Mike'd as a guinea pig. The last several episodes have all live streamed at https://periscope.tv/torontomike and you can watch the recordings there on-demand.
After each episode, I'd make adjustments.