Thought I'd throw this our there. I've never embedded or added a video so hopefully this works if not maybe someone can follow the link and do it for me. GBR!!!!!
<iframe width="560" height="315" src="https://www.youtube.com/embed/Gn1IWESXpsw" frameborder="0" allowfullscreen></iframe>
https://www.youtube.com/watch?v=Gn1IWESXpsw&feature=youtu.be