A ver si esto es lo que quieres como veras puse la peli en un div y luego un estilo para definirle el marco esto lo veras bien en IE6, IE7, Mozilla
Salu2
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-2" />
<title>Documento Sin título</title>
<script src="../Scripts/AC_RunActiveContent.js" type="text/javascript"></script>
<style type="text/css">
<!--
#peli {
height: 218px;
width: 441px;
border: 3px solid #6666FF;
}
-->
</style>
</head>
<body>
<div id="peli">
<script type="text/javascript">
AC_FL_RunContent( 'codebase','http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,19,0','width','441','height','218','src','anima1','quality','high','pluginspage','http://www.macromedia.com/go/getflashplayer','movie','anima1' ); //end AC code
</script><noscript><object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,19,0" width="441" height="218">
<param name="movie" value="anima1.swf" />
<param name="quality" value="high" />
<embed src="anima1.swf" quality="high" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" width="441" height="218"></embed>
</object></noscript></div>
</body>
</html>