Dark & light backgrounds could be used, but the versions with darker backgrounds probably work better.
This would be used to display the host name and call to actions.
Interview Full Screen
This is the same as we currently do on LSP. It just allows more of the video to be seen, and works better with other on screen elements.
For displaying presentations and/or the screen of your computer.
LIVE Thumb for YouTube
These would be used while you are LIVE and after you are LIVE.
This is a work in progress version, it just gives you an idea of how the peaking from behind the curtain could work.