I am using this as my ad code `   Powered By   `

I am using this as my ad code

 
<h2 style="text-align: center;"><a href="http://leadsit.es">Powered By<img class="size-full wp-image-207 aligncenter" src="http://leadsit.es/wp-content/uploads/2015/08/leadsites-logo-5001.png" alt="leadsites logo 500" width="500" height="132" /></a></h2>
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Here are my settings screenshot - http://d.jon.am/1ftUT

Yet no ads are showing on user sites. please help