Envira - Append to Lightbox

envira-append-lightbox.php

<?php
/**
 * Plugin Name: Envira Hooks
 * Plugin URI:  http://enviragallery.com
 * Description: Testing ground for hooks and filters
 * Author:      Tim Carr
 * Author URI:  http://thomasgriffinmedia.com
 * Version:     1.0.0
 * Text Domain: envira-hooks
 * Domain Path: languages
 */
 
add_action('envira_gallery_api_after_show', 'envira_hook');
function envira_hook($data) {
	?>
	$('img.envirabox-image').after('<div class="ad" style="position:absolute;top:0;left:0;background:#fff;">Advert Here</div>');
	<?php
}
?>