<li>
	<?php echo get_the_post_thumbnail( $post->ID, 'single_product_large_thumbnail_size', array('class' => "etalage_thumb_image") ) ?>
	<?php echo get_the_post_thumbnail( $post->ID, 'single_product_large_thumbnail_size', array('class' => "etalage_source_image") ) ?>
</li>