Попробуйте так:
var version = deconcept.SWFObjectUtil.getPlayerVersion();
$(document).ready(function ()
{
if(parseInt(version) > 9 || parseInt(version) == 9 )
swfobject.embedSWF("{{$swf}}", "banner_container", 633, 71, "9.0.0", false, false, { quality: 'high', wmode: 'opaque' });
else
ваша гифка
});