You can make a post that will directly embed video from youtube, facebook, vine, ustream, yahoo, instagram,google video, google maps and vimeo . I can probably add others, including allowing links to .mov and .avi vidoes on your own server. Just ask.
Just post the FULL link such as:
https://www.youtube.com/watch?v=4KAlNKd3xio
or
short youtube videos like this
https://youtu.be/Rp6gAvUYSdQ
or
[facebook]https://www.facebook.com/lunacycle/videos/1607562752867787/[/facebook]
or
https://vimeo.com/97638090
and they will look like this: