<iframe width="560" height="349" src="http://www.youtube.com/embed/U6pQu1eFubo" frameborder="0" allowfullscreen></iframe>
<iframe width="560" height="349" src="http://www.youtube.com/embed/PUOvdeylrcg" frameborder="0" allowfullscreen></iframe>
Versión para imprimir
<iframe width="560" height="349" src="http://www.youtube.com/embed/U6pQu1eFubo" frameborder="0" allowfullscreen></iframe>
<iframe width="560" height="349" src="http://www.youtube.com/embed/PUOvdeylrcg" frameborder="0" allowfullscreen></iframe>