Add post image above post title in Genesis Framework

functions.php

<?php

/* Add image above post title
------------------------------------------------------------ */

add_action( 'genesis_before_post', 'jm_post_image' );
function jm_post_image() {
  
  if ( is_page() ) return;

  if ( $image = genesis_get_image( 'format=url&size=post-image' ) ) {
  	printf( '<a href="%s"><img class="post-image alignleft" src="%s" alt="%s" /></a>', get_permalink(), $image, the_title_attribute( 'echo=0' ) );
	}
  
}