Here's how to post on this site a video stored on another site. There are a bunch of EV related videos stored on those services, and it would be cool to be able to view them within this site.
Find the video you want to display, and go to its page. There are two boxes next to the video that are important here, URL and Embed.
What I prefer to do is insert the title of the video into the posting, and have that title be a link to the YouTube page. To do that first enter the text and surround it with a link like one of the two following methods. The URL FROM YOUTUBE is the contents of the box labeled URL.
<a href="URL FROM YOUTUBE">Title of video</a>
Or if you prefer the BBCODE style: [ URL=URL FROM YOUTUBE]Title of video[ /URL]
Next, let's insert the video. That's simple, simply copy the text from the Embed box into the body of the posting.
Finally, you may want to write something about the video. Write whatever you want around those two items.
The result would be something like: