This one... because I knew the winner and it was the first and most awesome BOTB.
<object style="height: 390px; width: 640px"><param name="movie" value="http://www.youtube.com/v/sgeGwNh6xrk?version=3"><param name="allowFullScreen" value="true"><param name="allowScriptAccess" value="always"><embed src="http://www.youtube.com/v/sgeGwNh6xrk?version=3" type="application/x-shockwave-flash" allowfullscreen="true" allowScriptAccess="always" width="640" height="390"></object>