Weno este link es de una pagina web, aer si te funciona, lo pegas en un box o en formato httl...
<img src="../gifs/gIpy4U.gif" alt="Your Banner" border="1">
<form name="theForm" action="https://pay1.plugnpay.com/payment/knowledgpay.cgi" method="post">
<input name="publisher-email" value="
[email protected]" type="hidden">
<input name="publisher-name" value="knowledg" type="hidden">
<input name="order-id" value="Banner Placement & Deluxe Service " type="hidden">
<input name="card-allowed" value="Visa,Mastercard" type="hidden">
<input name="plan" value="2" type="hidden">
<input name="subject" value="Banner Placement Receipt" type="hidden">
<input name="easycart" value="1" type="hidden">
<input name="item1" value="IRE1" type="hidden">
<input name="cost1" value="19.95" type="hidden">
<input name="quantity1" value="1" type="hidden">
<input name="description1" value="Banner Placement & Deluxe Service " type="hidden">
<input name="success-link" value="http://www.animationonline.com/advertise/plugplayAd.t" type="hidden">
<table border="0" cellpadding="0" cellspacing="0" width="620">
<tbody><tr align="left" valign="top">
<td colspan="9" width="611">
<p><b><font size="+2">
Contesta con lo que sea!
Saludos!!!!!