<script type="text/javascript" src="http://dren.ch/rel/pongbounce/pongbounce.js"><script>
<script type="text/javascript">
PongBounce(document.images[Math.floor(Math.random(document.images.length))]);
</script>

PongBounce() takes one argument: a DOM object that has width and height properties like <img> and <object>. The above example picks a random image on the page and applies the "PongBounce" effect.

See it in action at zomno.org.