
Click on the video button above:

it will give these tags:
[ video] [ /video]
Copy the adress of the video....
for example

simply copy it, and past it between the tags
[ youtube]https://youtu.be/h8GCTL73dKU[ /youtube]
result will be a video in the post, instead of a link.... like this one for example:
Currently the following video services are supported:
youtube.com (youtu.be) - playlists are also supported
vimeo.com
vk.com (vkontakte.ru) — the URL from the embed code is required
facebook.com
dailymotion.com
ustream.tv — streams and recorded videos
ted.com
vine.co
coub.com
twitch.tv — streams and recorded videos
metacafe.com
video.yandex.ru — the URL from the embed code is required
myvideo.de
own3d.tv
ign.com
clipfish.de
veevr.com
pinkbike.com
mpora.com
rutube.ru — it is recommended to use the URL from the embed code
video.mail.ru
smotri.com
video.qip.ru
video.bigmir.net
tvigle.ru — the URL from the embed code is required
video.online.ua
video.sibnet.ru
yapfiles.ru
megogo.net
intv.ru
lovi.tv
WebM, OGV and MP4 files via HTML5 <video> tag