How to Embed Video in a Post
1. Go to Create Content > Post (or other content type that will use the editor).
2. Click the place in the Body where you want the video to be placed.
3. Click the filmstrip icon. If you hover over it, it says "Insert/Edit Embedded Media."
4. In the Type dropdown box, choose HTML5 Video.
5. In the File/URL box, paste in the URL from YouTube or Vimeo.