I seem to be Perpetually falling behind, even on the small projects. In the meantime here's a demo of some of the basic functionality behind queuing up multiple youtube videos. Use the left and right arrows to skip back or forwards. Or just wait for the adorable corgi to go off screen and you'll move on auto-magically to the next video.

http://50proj-public.s3.amazonaws.com/youQueue/youtube_embed.html