Nextgen Gallery ordered list of galleries with thumbnails

gistfile1.php

<ul>
<?php
  
global $wpdb, $nggRewrite, $nggdb;

$galleries = $wpdb->get_results("SELECT * FROM ".$wpdb->prefix."ngg_gallery ORDER BY gid ASC", ARRAY_A);

foreach ( $galleries as $gallery ) {
  $previewpic = $gallery['previewpic'];
  $thumbnail = $nggdb->find_image($previewpic);
  $thumbnailUrl = $thumbnail->thumbURL;
?>
  <li>
    <a href="<?php get_bloginfo( 'url' ); ?>/?p=<?php echo $gallery['pageid']; ?>">
      <img src="<?php echo $thumbnailUrl; ?>" alt="<?php echo $gallery['title']; ?>" />
      <br>
      <?php echo $gallery['title']; ?>
    </a>
  </li>
<?php
}
?>
</ul>