somethiing like this should work:
<OBJECT><param name=movie value="http://www.domain.com/banner.swf?url=http://www.domain.com"><param name=quality value=high menu=false><embed src="http://www.domain.com/banner.swf?url=http://www.domain.com" quality=high type="application/x-shockwave-flash" width="120" height="60" menu=false></embed></object>
view source ;)