<?php
global $wp_query;
if( is_page( array( 7, 8, 15 ) ) { ?>
	<div>
		<a target="_blank" href="http://amazon.com/#" title="The BIG Disrupter"><img src="http://paulmarkun.wpengine.com/wp-content/uploads/2014/04/TheBigDisrupter_header21.jpg" alt="The BIG Disrupter"></a>
	</div>
<?php } ?>

WAFFLES!