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

Center align Video with Thumbnail and Link:

<div align="center">
      <a href="https://www.youtube.com/watch?v=StTqXEQ2l-Y">
     <img 
      src="https://img.youtube.com/vi/StTqXEQ2l-Y/0.jpg" 
      alt="Everything Is AWESOME" 
      style="width:100%;">
      </a>
    </div>

Result: