How to display all images of product in magento

How to display all images of product in magento

<?php 
    $_images = Mage::getModel('catalog/product')->load($_product->getId())->getMediaGalleryImages();
 ?>
<?php 
   if($_images){?>          
  <?php  $i=0; foreach($_images as $_image){ $i++;?>
  <a href="#">
    <img src="<?=$this->helper('catalog/image')->init($_product, 'image', $_image->getFile()); ?>"alt="<?=$this->htmlEscape($_image->getLabel());?>" title="<?=$this->htmlEscape($_image->getLabel());?>" />
   </a>             
<?php  } ?>
<?php  } ?>