Page Template in Genesis for showing a hard coded header image for a given Page or its child pages. For other Pages, if a featured image is present, then that will be used as the header image. http://sridharkatakam.com/custom-page-template-genesis-shows-featured-image-banner/#comment-1399. http://codex.wordpress.org/Conditional_Tags#Testing_for_…

page_banner.php

<?php
/**
 * This file adds the Banner template.
 *
 * @author Sridhar Katakam
 * @package Generate
 * @subpackage Customizations
 */

/*
Template Name: Banner Page
*/

// Remove header, navigation, breadcrumbs, footer widgets, footer
add_filter( 'genesis_pre_get_option_site_layout', '__genesis_return_full_width_content' );
remove_action( 'genesis_header', 'genesis_header_markup_open', 5 );
remove_action( 'genesis_header', 'genesis_do_header' );
remove_action( 'genesis_header', 'genesis_header_markup_close', 15 );
remove_action( 'genesis_after_header', 'genesis_do_nav' );
remove_action( 'genesis_after_header', 'genesis_do_subnav' );
remove_action( 'genesis_before', 'genesis_do_subnav' );
remove_action( 'genesis_before_loop', 'genesis_do_breadcrumbs' );
remove_action( 'genesis_footer', 'genesis_footer_widget_areas' );
remove_action( 'genesis_footer', 'genesis_footer_markup_open', 5 );
remove_action( 'genesis_footer', 'genesis_do_footer' );
remove_action( 'genesis_footer', 'genesis_footer_markup_close', 15 );

add_action ( 'genesis_before_header', 'sk_add_banner_image' );
function sk_add_banner_image() {

	global $post;

	if ( is_page( 'about' ) || '2' == $post->post_parent ) {
		// the page is "About", or the parent of the page is "About". where 2 is the ID of "About" Page.
		echo '<div class="banner-image"><div class="wrap">';
		echo '<img src="' . get_stylesheet_directory_uri() . '/images/about.jpg" />';
		echo '</div></div>';
	}

	elseif ( has_post_thumbnail() ) {
		echo '<div class="banner-image">
				<div class="wrap">
					<img src="' . genesis_get_image( array( 'format' => 'url' ) ) . '" />
				</div>
			</div>';
	}

}

genesis();