Rewrite the site header to include an image

functions.php

<?php
// Paste the code BELOW this line into your child theme functions.

/**
 * Rewrite the site header to include an image
 *
 * @author Reasons to Use Genesis
 * @link http://reasonstousegenesis.com/rewrite-header/
 */
remove_action( 'genesis_header', 'genesis_do_header' );
add_action( 'genesis_header', 'rtug_header_image' );
function rtug_header_image() {

	// replace with the URL of your image
	echo '<img src="http://yoursite.com/wp-content/themes/yourtheme/images/header.png" alt="Welcome to My Site">';

}