Featured image from URL with Jetpack Related Posts

In case somebody needs to use FIFU images with Jetpack Related Posts ?? Put this code in your themes functions.php or functionalizer plugin.

/* Jetpack Related Posts with Featured Image from URL thumbnails */
function jeherve_custom_image( $media, $post_id, $args ) {
        $permalink = get_permalink( $post_id );
	$url = get_post_meta($post_id, 'fifu_image_url', true);

        return array( array(
            'type'  => 'image',
            'from'  => 'custom_fallback',
            'src'   => esc_url( $url ),
            'href'  => $permalink,
        ) );
}
add_filter( 'jetpack_images_get_images', 'jeherve_custom_image', 10, 3 );