timthumb.php with lightbox 2 problem! NEED HELP!!!

Hi, I hope anyone can help me.I try to integrate timthumb.php and lightbox 2 to my site but unfortunately The image is not displaying inside the lightbox a broken image icon was appearing….here is my code

` <div id=”content-wrapper”>
<div id=”column_01″>
<?php /*?>// FIRST LOOP: display posts 1 thru 5<?php */?>
<?php query_posts(‘showposts=5’); ?>
<?php $posts = get_posts(‘numberposts=4&offset=0’); foreach ($posts as $post) : start_wp(); ?>
<?php static $count1 = 0; if ($count1 == “4”) { break; } else { ?>
<div class=”thumbnail”>
<a href=”<?php the_permalink(); ?>” class=”lightbox” title=”<?php the_title_attribute(); ?>”>
<img src=”<?php bloginfo(‘template_directory’); ?>/timthumb.php?src=<?php getImage(‘1’); ?>&w=270&h=140&zc=1″>
</a>
</div>
<?php #the_content(); ?>

<?php $count1++; } ?>
<?php endforeach; ?>
</div>
<div id=”column_wrap”>
<div id=”column_02″>
<?php /*?>// SECOND LOOP: display posts 6 thru 10<?php */?>
<?php query_posts(‘showposts=5’); ?>
<?php $posts = get_posts(‘numberposts=4&offset=4’); foreach ($posts as $post) : start_wp(); ?>
<?php static $count2 = 0; if ($count2 == “4”) { break; } else { ?>
<div class=”thumbnail”>
<a href=”<?php the_permalink(); ?>” title=”<?php the_title_attribute(); ?>”>
<img src=”<?php bloginfo(‘template_directory’); ?>/timthumb.php?src=<?php getImage(‘1’); ?>&w=270&h=140&zc=1″>
</a>
</div>
<?php #the_content(); ?>

<?php $count2++; } ?>
<?php endforeach; ?>
</div>
<div id=”column_03″>
<?php /*?>// THIRD LOOP: display posts 11 thru 15<?php */?>
<?php query_posts(‘showposts=4’); ?>
<?php $posts = get_posts(‘numberposts=4&offset=8’); foreach ($posts as $post) : start_wp(); ?>
<?php static $count3 = 0; if ($count3 == “4”) { break; } else { ?>
<div class=”thumbnail”>
<a href=”<?php the_permalink(); ?>” title=”<?php the_title_attribute(); ?>”>
<img src=”<?php bloginfo(‘template_directory’); ?>/timthumb.php?src=<?php getImage(‘1’); ?>&w=270&h=140&zc=1″>
</a>
</div>
<?php #the_content(); ?>

<?php $count3++; } ?>
<?php endforeach; ?>
</div>
</div>
</div>

here is the function code:

<?php
// retreives image from the post
function getImage($num) {
global $more;
$more = 1;
$content = get_the_content();
$count = substr_count($content, ‘<img’);
$start = 0;
for($i=1;$i<=$count;$i++) {
$imgBeg = strpos($content, ‘<img’, $start);
$post = substr($content, $imgBeg);
$imgEnd = strpos($post, ‘>’);
$postOutput = substr($post, 0, $imgEnd+1);
$image[$i] = $postOutput;
$start=$imgEnd+1;

$cleanF = strpos($image[$num],’src=”‘)+5;
$cleanB = strpos($image[$num],'”‘,$cleanF)-$cleanF;
$imgThumb = substr($image[$num],$cleanF,$cleanB);

}
if(stristr($image[$num],'<img’)) { echo $imgThumb; }
$more = 0;
}
//retreive image ends
?>`

Please I need help! THANK YOU VERY MUCH IN ADVANCE !!!!!!!