<object width="xxx" height="xxx" type="application/x-shockwave-flash" data="http://www.youtube.com/v/zuJkRpJ7Fxg?version=3"><param name="movie" value="http://www.youtube.com/v/zuJkRpJ7Fxg?version=3" /><a href="http://get.adobe.com/flashplayer/" target="blank"><img src="http://www.adobe.com/images/shared/download_buttons/get_flash_player.gif" alt="Get flash player to play to this file" width="88" height="31" /></a></object>

Fill in width and height.

Fill in the data and value with the url to what it is you are showing.