Add a banner to secondary pages in Genesis from Featured Image

add-secondary-page-header.php

//* Add secondary page header
add_action('genesis_after_header', 'add_secondary_page_header');
function add_secondary_page_header() {
	if(!is_home()) {
		if(has_post_thumbnail()) {
			echo "<div class='page-header' style='background: url(" . get_the_post_thumbnail_url() . ")'></div>";
		} else {
			echo "<div class='page-header'></div>";
		}
	}
}