Ayuda con código en tema GameNow

<<?php if(get_post_meta($post->ID, "thumbnail", true)) : ?>
				<a href="<?php the_permalink(); ?>" class="thumbnail"><img src="<?php echo get_post_meta($post->ID, "thumbnail", true); ?>" /></a>
			<?php endif; ?>

<?php get_header(); ?>

<!-- Left // -->
<div class="left">
	<?php if (have_posts()) : ?>
		
		<?php if(is_home() && !get_query_var('paged')) : ?>
		<!-- Highlights // -->
		<span class="heading2"><span>Highlights</span></span>
		<ul class="highlights">
		<?php $highlight1 = new WP_Query("meta_key=thumbnail&cat=".get_wpn_config('highlights_category_id_1')."&showposts=1"); while($highlight1->have_posts()) : $highlight1->the_post();?>
			<li>
			<?php if(get_post_meta($post->ID, "thumbnail", true)) : ?>
<a href="<?php the_permalink(); ?>" class="thumbnail"><img src="<?php echo get_post_meta($post->ID, "thumbnail", true); ?>" /></a>
<? else: ?>
<a href="<?php the_permalink(); ?>" class="thumbnail"><img src="url_de_tu_imagen_sin_thumbnail" /></a>
<?php endif; ?> 
				<span class="title"><a href="<?php the_permalink(); ?>"><?php the_title(); ?></a></span>
				<span class="cat"><?php the_category(', '); ?></span>
			</li>
		<?php endwhile; ?>

		<?php $highlight2 = new WP_Query("meta_key=thumbnail&cat=".get_wpn_config('highlights_category_id_2')."&showposts=1"); while($highlight2->have_posts()) : $highlight2->the_post();?>
			<li>
			<?php if(get_post_meta($post->ID, "thumbnail", true)) : ?>
				<a href="<?php the_permalink(); ?>" class="thumbnail"><img src="<?php echo get_post_meta($post->ID, "thumbnail", true); ?>" /></a>
			<?php endif; ?>
				<span class="title"><a href="<?php the_permalink(); ?>"><?php the_title(); ?></a></span>
				<span class="cat"><?php the_category(', '); ?></span>
			</li>
		<?php endwhile; ?>

		<?php $highlight3 = new WP_Query("meta_key=thumbnail&cat=".get_wpn_config('highlights_category_id_3')."&showposts=1"); while($highlight3->have_posts()) : $highlight3->the_post();?>
			<li>
			<?php if(get_post_meta($post->ID, "thumbnail", true)) : ?>
				<a href="<?php the_permalink(); ?>" class="thumbnail"><img src="<?php echo get_post_meta($post->ID, "thumbnail", true); ?>" /></a>
			<?php endif; ?>
				<span class="title"><a href="<?php the_permalink(); ?>"><?php the_title(); ?></a></span>
				<span class="cat"><?php the_category(', '); ?></span>
			</li>
		<?php endwhile; ?>

		</ul>
		<div class="clear"></div>
		<!-- // Highlights -->
		<?php endif; ?>
	
		<!-- Latest Articles // -->
		<span class="heading2"><span><?php echo $_GET['paged'] ? 'Page'.$_GET['paged'] : 'Latest Articles'; ?></span></span>
		<ul class="articles">
		<?php while (have_posts()) : the_post(); ?>
			<li id="post-<?php the_ID(); ?>">	
				<a class="title" href="<?php the_permalink(); ?>" rel="bookmark" title="Permanent Link to <?php the_title_attribute(); ?>"><?php the_title(); ?></a>
				<span class="pinfo">
					<a class="comments" href="<?php the_permalink() ?>#comments"><?php comments_number(__('0'), __('1'), __('%')); ?> Comments</a>Posted by <?php the_author_posts_link() ?> on <?php the_date(); ?> under <span><?php the_category(', ') ?></span>
				</span>
				<?php if(get_post_meta($post->ID, "thumbnail", true)) : ?>
					<a href="<?php the_permalink(); ?>" class="thumb"><img src="<?php echo get_post_meta($post->ID, "thumbnail", true); ?>" /></a>
				<?php endif; ?>
				<div class="post">
					<?php wpn_content_limit(get_the_content(),400); ?> <a href="<?php the_permalink(); ?>">more</a>.
				</div>
				<div class="clear"></div>
			</li>
		<?php endwhile; ?>
		</ul>
		<!-- // News List -->
		
		<!-- Page Navigation -->
		<?php if(function_exists('wp_pagenavi')) { wp_pagenavi(); } ?>
		
	<!-- 404 Error -->
	<?php else : include ('editable/404/404-error.php'); endif; ?>
	<div class="wpn_clear"></div>
</div>
<!-- // Left -->
<?php get_sidebar(); ?>
<?php get_footer(); ?>

} else {

      <?php
if (condicion) {
  accion;
} else {
  otra accion;
}
?>

<? if( $condition ) { 
       dosomething; 
?>

<? } else { 
       dosomethingelse; 
   } 
?>