gistfile1.aw

<?php

function article_menu_callback($node) {
  return array(
    '#theme' => 'node_article', // #theme is a special property to specify node-article.tpl.php
    '#article_title' => $node->title, // variable accessible via $article_title
    '#article_body' => $node->body, // variable accessible via $article_body
  );		
}