<div id="carousel<?php echo $module; ?>" class="flexslider">
  <ul class="slides">
    <?php foreach ($banners as $banner) { ?>
    <?php if ($banner['link']) { ?>
    <li><a href="<?php echo $banner['link']; ?>"><img src="<?php echo $banner['image']; ?>" alt="<?php echo $banner['title']; ?>" /></a></li>
    <?php } else { ?>
    <li><img src="<?php echo $banner['image']; ?>" alt="<?php echo $banner['title']; ?>" /></li>
    <?php } ?>
    <?php } ?>
  </ul>
</div>