To embed a YouTube video first click on Edit source in the top right corner of a page:
Enter the tagline <youtube>d0UWtMAGr6o</youtube> where you want the Youtube video to appear. Replace d0UWtMAGr6o with the video UUID of the YouTube video you want to embed. You can find video UUID in the address of any YouTube video:
You can also embed videos from other video hosting services using the following tags: