<a href="http://www.youtube.com/watch?v=dXJ6o5rByMY" target="_blank">http://www.youtube.com/watch?v=dXJ6o5rByMY</a> this one is pretty long <a href="http://www.youtube.com/watch?v=81iN7zzlIPM" target="_blank">http://www.youtube.com/watch?v=81iN7zzlIPM</a>