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<div id="home-banner" class="cycle-slideshow"
	data-cycle-speed="600">

	<?php
	//WordPress loop for custom post type
	 $my_query = new WP_Query('post_type=slide');
	      while ($my_query->have_posts()) : $my_query->the_post(); ?>
	                <!-- slider  -->
	                <div class="slide">
	                	<?php
		               // get the image id	
		               $image = wp_get_attachment_image_src( get_post_thumbnail_id( $post->ID ), 'single-post-thumbnail' ); 
		               // use custom field link to link featured image, use image id ?>
		               <a href="<?php the_field('promo_link'); ?>"><img src="<?php echo $image[0];  ?>"></a>
		               
	                </div><!-- .slide -->
	                
	<?php endwhile;  wp_reset_query(); ?>

</div><!--homebanner-->