Source featured image and timthumb

Src featured image and timthumb.php

<?php
if (has_post_thumbnail()) {
$image_url = wp_get_attachment_image_src(get_post_thumbnail_id($post->ID), 'large');
$tempalte_path = get_template_directory_uri();
echo '<img src="' . $tempalte_path . '/timthumb.php?src=' . $image_url[0] . '&h=500&w=1000&zc=1" alt="' . the_title_attribute('echo=0') . '" >';
echo '</a>';
}
?>