It is possible to embed a YouTube video into your site using the HTML Snippet widget. Simply follow these steps:

• On the YouTube video page, click 'Share' and then 'Embed'
• Tick the 'Use old embed code' box underneath the code
• Choose the desired player size
• Copy the code
• Add an HTML Snippet widget to the desired page
• Paste the code into the Setup tab, and click 'Yes' when prompted to change the widget size