Includes ACF gallery onto page from options page
<?php
$images = get_field('gallery', 'options');
if( $images ): ?>
<div class="gallery-module">
<?php foreach( $images as $image ): ?>
<a href="<?php echo $image['url']; ?>">
<img src="<?php echo $image['sizes']['thumbnail']; ?>" alt="<?php echo $image['alt']; ?>" />
</a>
<?php endforeach; ?>
</div><!-- end .gallery-module -->
<?php endif; ?>