Change the { amd } to < and >
{embed allowScriptAccess="never" src="https://forumeus.com/countdown/2006-fb-countdown-milliseconds-ragin-cajuns--01.swf" quality=highpluginspage="http://www.macromedia.com/shockwave/download/index.cgi?P1_Prod_Version=ShockwaveFlash"type="application/x-shockwave-flash" width="450" height="70" menu="true">{/embed}
Works fine for me...