forma
imagen
<br /><img src="aqui la url de la imagen" border="0"/><br />
vimeo
<br /><iframe src="http://player.vimeo.com/video/IDDELVIDEO?autoplay=1&title=0&byline=0&portrait=0" width="490" height="250" frameborder="0" webkitAllowFullScreen mozallowfullscreen allowFullScreen></iframe><br />
youtube
<br /><iframe src="http://www.youtube.com/embed/IDVIDEO?rel=0" frameborder="0" width="490" height="340"></iframe><br />