Using the Insert PHP plugin

using http://wordpress.org/extend/plugins/insert-php/ :

<iframe src="http://www.example.com/?affiliates=[insert_php] $affiliate_id = intval( $_REQUEST['affiliates'] ); echo $affiliate_id; [/insert_php]"></iframe>

<p style="text-align: left;"><img class="aligncenter" title="Current Bullfrog Spa Parts Coupon" src="http://www.bullfrogspaparts.com/Current-Bullfrog-Spa-Parts-Coupon.png" alt="Current Bullfrog Spa Parts Coupon" width="960" height="100" /></p>

<div><script charset="utf-8" type="text/javascript" src="http://app.ecwid.com/script.js?804074"></script><script type="text/javascript">// <![CDATA[
xCategories("style=");
// ]]></script></div>
<div><script charset="utf-8" type="text/javascript" src="http://app.ecwid.com/script.js?804074"></script><script type="text/javascript">
</script><!-- remove layout parameter if you want to position minicart yourself --><script type="text/javascript">// <![CDATA[
xMinicart("style=","layout=attachToCategories");
// ]]></script></div>
<div><script charset="utf-8" type="text/javascript" src="http://app.ecwid.com/script.js?804074"></script><script type="text/javascript">// <![CDATA[
xSearchPanel("style=");
// ]]></script></div>
<div>

<script charset="utf-8" type="text/javascript" src="http://app.ecwid.com/script.js?804074"></script><script type="text/javascript">// <![CDATA[
xProductBrowser("categoriesPerRow=4","views=grid(99,4) list(10) table(20)","categoryView=grid","searchView=list","style=");
// ]]></script>

<noscript>Your browser does not support JavaScript. Please proceed to &lt;a href="http://store.bullfrogspaparts.com"&gt;HTML version of Bullfrog Spa Parts&lt;/a&gt;</noscript></div>
<h2 style="text-align: center;"><a title="Terms and Conditions" href="http://bullfrogspaparts.com/about-us/terms-and-conditions/" target="_blank">Terms and Conditions</a></h2>
This website is an affiliate of BullfrogSpaParts. The BullfrogSpaParts.com website is devoted solely to parts and advice for Bullfrog Spas and is wholly owned by EnviroSmarte LLC, an authorized Bullfrog Spa dealer.         <a title="EnviroSmarte Spas and Pools" href="http://envirosmarte.com" target="_blank">Check out EnviroSmarte</a>          <a title="More About BullfrogSpaParts.com" href="http://bullfrogspaparts.com/about-us/" target="_blank">More About BullfrogSpaParts.com</a>

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