SWF in Header

<div id="header-container">
<object width="550" height="101">
<param name="movie" value="http://www.daisytwist.com/wp-content/themes/atahualpa/images/header.swf">
<param name="wmode" value="transparent">
<embed src="http://www.daisytwist.com/wp-content/themes/atahualpa/images/header.swf" width="550" height="101" wmode="transparent">
</embed>
</object></div>

in css:
#header-container {position: relative; z-index: 0;}

angka 0 bisa ganti 1, mana yg muncul