User blog comment:DaNASCAT/Technical Update: August 7, 2012/@comment-25191044-20120812122416/@comment-4519283-20120813191824

You would have to add a video. The only other way you could do it is if you were admin on your wiki, you could put the html code on a MediaWiki page (ex. MediaWiki:Foo) and write Foo on your page.