How to use Amazon banner ads

where to place Amazon banner ads code?

placing inside custom html box is not working.

custom footer widget also not working.

I am using Generate Press theme.


I am also facing issue to put banner ads. So Simply I am using amazon search widget… But I want to put banner ads. If you will find any solution. kindly tell me.

Can you share any example picture of this?

<script type="text/javascript" 
 var aax_size='300x250';
 var aax_pubname = '99funtk-21';
 var aax_src='302';
<script type="text/javascript" 
language="javascript" src=""></script>

Please share web page link.

I add the script in custom html box of this post.