Wordpress: featured image except featured

wordpress-featured-images-except-featured

$args = array(
    'post_type'   => 'attachment',
    'numberposts' => -1,
    'post_status' => null,
    'post_parent' => $post->ID,
    'exclude'     => get_post_thumbnail_id()
    );

$attachments = get_posts( $args );

if ( $attachments ) {
    foreach ( $attachments as $attachment ) {

        // optional: wp_get_attachment_image_src( $attachment_id, $size, $icon );
        // width=" echo $image_attributes[1]; "" height=" echo $image_attributes[2]; 
        $image_attributes = wp_get_attachment_image_src( $attachment->ID );
        ?><img src="<?php echo $image_attributes[0]; ?>"><?
    }
}