Here is a better code that I use
Code:
<object height="81" width="100%">
<param name="wmode" value="transparent">
<param name="movie" value="http://player.soundcloud.com/player.swf?url={param}&secret_url=false"></param>
<param name="allowscriptaccess" value="always"></param>
<embed allowscriptaccess="always" height="81" src="http://player.soundcloud.com/player.swf?url={param}&secret_url=false" type="application/x-shockwave-flash" width="100%"></embed>
</object>