function simpsons_160x600(tracking_link){ 
		adFlash("http://ad.jamster.co.uk/creatives/campaigns/0707/simpsons/simpsons_160x600.swf", "http://ad.jamster.co.uk/creatives/campaigns/0707/simpsons/simpsons_160x600_alt.gif", "http://www.jamster.co.uk/jcw/go/", 160, 600, "opaque", tracking_link);
}