NGG v2.0.x with NGG Voting tag

<?php

$this->start_element('nextgen_gallery.gallery_container', 'container', $displayed_gallery);

?>
<div
    class="ngg-galleryoverview"
    id="ngg-gallery-<?php echo_h($displayed_gallery_id)?>-<?php echo_h($current_page)?>">

    <?php if (!empty($slideshow_link)): ?>
    <div class="slideshowlink">
        <a href='<?php echo $slideshow_link ?>'><?php echo $slideshow_link_text ?></a>

    </div>
    <?php endif ?>

    <?php if ($show_piclens_link): ?>
    <!-- Piclense link -->
    <div class="piclenselink">
        <a class="piclenselink" href="<?php echo esc_attr($piclens_link) ?>">
            <?php echo_h($piclens_link_text); ?>
        </a>
    </div>
    <?php endif ?>
    <?php

    $this->start_element('nextgen_gallery.image_list_container', 'container', $images);

    ?>
    <!-- Thumbnails -->
    <?php for ($i=0; $i<count($images); $i++):
       $image = $images[$i];
       $thumb_size = $storage->get_image_dimensions($image, $thumbnail_size_name);
       $style = isset($image->style) ? $image->style : null;

       if (isset($image->hidden) && $image->hidden) {
          $style = 'style="display: none;"';
       }
       else {
            $style = null;
       }

             $this->start_element('nextgen_gallery.image_panel', 'item', $image);

            ?>
            <div id="<?php echo_h('ngg-image-' . $i) ?>" class="ngg-gallery-thumbnail-box" <?php if ($style) echo $style; ?>>
                <?php

                $this->start_element('nextgen_gallery.image', 'item', $image);

                ?>
        <div class="ngg-gallery-thumbnail">
            <a href="<?php echo esc_attr($storage->get_image_url($image))?>"
               title="<?php echo esc_attr($image->description)?>"
               data-image-id='<?php echo esc_attr($image->pid); ?>'
               <?php echo $effect_code ?>>
                <img
                    title="<?php echo esc_attr($image->alttext)?>"
                    alt="<?php echo esc_attr($image->alttext)?>"
                    src="<?php echo esc_attr($storage->get_image_url($image, $thumbnail_size_name))?>"
                    width="<?php echo esc_attr($thumb_size['width'])?>"
                    height="<?php echo esc_attr($thumb_size['height'])?>"
                    style="max-width:none;"
                />
            </a>
        </div>

        <?php echo nggv_imageVoteForm($image->pid); ?>

                <?php

                $this->end_element();

                ?>
            </div>
            <?php

            $this->end_element();

            ?>

        <?php if ($number_of_columns > 0): ?>
            <?php if ((($i + 1) % $number_of_columns) == 0 ): ?>
                <br style="clear: both" />
            <?php endif; ?>
        <?php endif; ?>

    <?php endfor ?>
    <?php

    $this->end_element();

    ?>

    <?php if ($pagination): ?>
    <!-- Pagination -->
    <?php echo $pagination ?>
    <?php else: ?>
    <div class="ngg-clear"></div>
    <?php endif ?>
</div>
<?php $this->end_element(); ?>