MediaPlayer Overview:  

Upload a video or link to an existing video. You can also link to a You Tube or a playlist. 

Options: 
Upload:  

Upload HTML 5 compliant video formats -  mp4, webm, or ogv.

Set aspect ratio:

Select 4:3, 3:2, or 16:9 (HD). This will set the frame size for your video. You can also manually set the frame size in the Media Player Settings.

Settings:

Choose a style – Media Player, or Media Player with playlist. Or link to an external video.

Choose “Media Player with playlist” and enter a link to a You Tube playlist.