<?php
global $post;
global $dynamic_featured_image;

$aImages = $dynamic_featured_image->get_featured_images($post->ID);

// Wenn kein Bild für Unterseite, dann nimm von der Hauptseite
if(empty($aImages)) {
    $ancestor_id=get_main_page_id();
    $aImages = $dynamic_featured_image->get_featured_images($ancestor_id);
}
$aImageURL = wp_get_attachment_image_src(get_post_thumbnail_id($ancestor_id), 'full');


?><div class="flex-format" id="slideshow">
    <div class="slideshow">
        <ul class="slides">
            <?php foreach($aImages as $k => $v) { ?>
            <li>
                <img src="<?php echo $v['full']; ?>" class="img-responsive" />
            </li>
            <?php } if(empty($aImages)) { ?>
            <li>
                <img src="<?php echo get_template_directory_uri(); ?>/images/template/winterlager_titel.jpg" class="img-responsive" />
            </li>
            <?php } ?>
        </ul>
    </div>
</div>