Não vejo o que possa ser analisando o index e o gallery...
index.php
<?php get_header(); ?>
<div id="contentwrap">
<div id="content">
<div id="contentleft">
<div id="menubar">
<div id="catlist">
<ul class="menu">
<li><a href="#menu" onclick="javascript:showlayer('sm_1')">Select a Category</a></li>
<ul class="submenu" id="sm_1">
<?php wp_list_categories('&title_li='); ?>
</ul>
</ul>
</div>
<a title="Subscribe to Content via RSS" href="<?php bloginfo('rss2_url'); ?>"><div id="subscribe"></div></a>
</div>
<div id="videogallery">
<?php if (have_posts()) : while (have_posts()) : the_post(); ?>
<?php include (TEMPLATEPATH . '/gallery.php'); ?>
<?php endwhile; else: ?>
<?php endif; ?>
</div>
</div>
<div id="contentright">
<?php get_sidebar(); ?>
</div>
</div>
</div>
<?php get_footer(); ?>
gallery.php
<div class="videoitem">
<div class="ratings">
<?php if(function_exists('the_ratings')) { the_ratings(); } ?>
</div>
<div class="comments">
<?php comments_number('0', '1', '%'); ?>
</div>
<div class="thumbnail">
<a href="<?php the_permalink() ?>" title="<?php the_title() ?>"><img style="background: url(<?php echo get_thumbnail($post->ID); ?>)" class="thumb" src="<?php bloginfo('template_url'); ?>/images/zoom.png" alt="<?php the_title() ?>" /></a>
</div>
<h2 class="itemtitle"><a href="<?php the_permalink() ?>" title="<?php the_title() ?>"><?php the_title() ?></a></h2>
<p class="itemdesc"><?php the_content_rss('', TRUE, '', 8); ?></p>
<small class="gallerydate"><?php the_time('F j, Y'); ?></small>
</div>