Add links to Slider Banner
<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-->