<tr>
<td>
<?php if ($userdata['picture']): ?>
- <img src="<?php echo site_url("data/user_pictures/{$userdata['picture']}") ?>" style="float: left" />
+ <a href="<?php echo $userdata['picture'] ?>"><img src="<?php echo $userdata['picture_thumb'] ?>" style="float: left" /></a>
<?php endif ?>
</td>
<td></td>