<?php $categories = get_categories();
foreach ($categories as $cat)
{
  if($cat->parent < 1)
  {
 	?>
	
	*<div><a href="<?php echo get_category_link($cat->term_id); ?>"><img src="<?php echo z_taxonomy_image_url($cat->term_id); ?>" /><p><?php echo $cat->cat_name; ?></p></a></div>

   <?php 
   }
}?>