add_action( 'genesis_entry_content', 'fn_show_featured_image_pages', 9 );
function fn_show_featured_image_pages() {
	if ( ! is_page() ) {
		return;
	}

	if ( ! has_post_thumbnail() ) {
		return;
	}

	$image_args = array(
		'size' => 'rs-featured',
		'attr' => array(
		'class' => 'alignnone featured',
		),
	);

	genesis_image( $image_args );
}