WordPress 3 Twenty Ten Headers

<?php$themename = 'your theme name';/** Tell WordPress to run child_theme_setup() when the 'after_setup_theme' hook is run. */add_action( 'after_setup_theme', 'child_theme_setup' );if ( !function_exists( 'child_theme_setup' ) ):function child_theme_setup() {		// Header Images are now in Child Themes Directory 	define( 'HEADER_IMAGE', get_bloginfo('stylesheet_directory') .'/images/header.png' );		// Change the header Height here if you need to 	define( 'HEADER_IMAGE_HEIGHT', apply_filters( 'twentyten_header_image_height', 75 ) );    /* From Aaron Jorbin http://aaron.jorb.in/ */	function jorbin_remove_twenty_ten_headers(){		unregister_default_headers( array(			'berries',			'cherryblossom',			'concave',			'fern',			'forestfloor',			'inkwell',			'path' ,			'sunset')			);	}	add_action( 'after_setup_theme', 'jorbin_remove_twenty_ten_headers', 11 );		// Add our own custom headers packaged with the theme. in the theme template directory 'images/headers/'	register_default_headers( cms_theme_headers() );	}endif;/* Build the Header Array from the theme headers */// No need to code the headers just loop through the folder and return a listfunction cms_theme_headers() {	global $themename;    $list = array();	$imagepath = STYLESHEETPATH .'/images/headers/';	$imageurl = get_bloginfo('stylesheet_directory');    $dir_handle = @opendir($imagepath) or die("Unable to open $path");     while($file = readdir($dir_handle)){         if($file == "." || $file == ".."){continue;}         $filename = explode(".",$file);         $cnt = count($filename); $cnt--; $ext = $filename[$cnt];         if(strtolower($ext) == ('png' || 'jpg')){    	 	  if (!strpos($file, '-thumbnail') > 0) {	 				$header = array(					'url' => $imageurl .'/images/headers/' .$file,					'thumbnail_url' => $imageurl .'/images/headers/' .$filename[0] .'-thumbnail.' .$ext,					'description' => __( $filename[0], $themename )				);				array_push($list, $header);		  }        }    }    return $list;}