<center>
<object style="height: 390px; width: 640px"><param name="movie" value="http://www.youtube.com/v/vk7-nu_9Hmg?version=3"><param name="allowFullScreen" value="true"><param name="allowScriptAccess" value="always"><embed src="http://www.youtube.com/v/vk7-nu_9Hmg?version=3" type="application/x-shockwave-flash" allowfullscreen="true" allowScriptAccess="always" width="640" height="360"></object></center>
<center>
<object style="height: 390px; width: 640px"><param name="movie" value="http://www.youtube.com/v/zi0Wn9qkXjc?version=3"><param name="allowFullScreen" value="true"><param name="allowScriptAccess" value="always"><embed src="http://www.youtube.com/v/zi0Wn9qkXjc?version=3" type="application/x-shockwave-flash" allowfullscreen="true" allowScriptAccess="always" width="640" height="360"></object></center>
<center>
<object style="height: 390px; width: 640px"><param name="movie" value="http://www.youtube.com/v/xyQUXdw_H0M?version=3"><param name="allowFullScreen" value="true"><param name="allowScriptAccess" value="always"><embed src="http://www.youtube.com/v/xyQUXdw_H0M?version=3" type="application/x-shockwave-flash" allowfullscreen="true" allowScriptAccess="always" width="640" height="360"></object></center>
<center>
<object style="height: 390px; width: 640px"><param name="movie" value="http://www.youtube.com/v/qYLw6MWOmUU?version=3"><param name="allowFullScreen" value="true"><param name="allowScriptAccess" value="always"><embed src="http://www.youtube.com/v/qYLw6MWOmUU?version=3" type="application/x-shockwave-flash" allowfullscreen="true" allowScriptAccess="always" width="640" height="360"></object></center>
1
) 