html adverts affilate codes

Hi,

I have implemented some html code, which I got from affilate plattform, but the banner isn´t displayed.
When I look into the code with firebug, the img isn´t showing in the code.

<a href="http://clix.superclix.de/cgi-bin/clix.cgi?id=name&pp=ID&linknr=85600" target="_blank">
<img src="http://ads.redmoonstudios.de/ads/ragnarok/Ads_Website_120x600_Brown_DE.jpg" width="120" height="600" alt="Ragnarök Online jetzt spielen!" border="0"></a>

http://wordpress.org/plugins/ml-adverts/