How can I embed a YouTube video on GitHub wiki pages?

Question

I am fairly new to markup (though it\'s extremely easy to pickup). I am working on a package and am trying to get the wiki pages looking nice as a help manual. I can insert

Answer 1

Adding a link with the thumbnail, originally used by YouTube is a solution, that works. The thumbnail, used by YouTube is accessible the following way:

• if the official video link is: https://www.youtube.com/watch?v=5yLzZikS15k
• then the thumbnail is: https://img.youtube.com/vi/5yLzZikS15k/0.jpg

Following this logic, the code below produces flawless results: