meta-box get image url from array

global $post;
$post_id = get_post_custom($post->ID);
$slide_bg_array = get_post_meta($post->ID, "custom_meta_slide_bgimg", false);

global $wpdb;
    if ( !is_array( $slide_bg_array  ) )
        $slide_bg_array  = ( array ) $slide_bg_array ;

        if ( !empty( $slide_bg_array  ) ) {
        $slide_bg_array  = implode( ',', $slide_bg_array  );

        $images = $wpdb->get_col( "
            SELECT ID FROM $wpdb->posts
            WHERE post_type = 'attachment'
            AND ID IN ( $slide_bg_array  )
            ORDER BY menu_order ASC
        " );

        $image = reset($images);
            } else {
        $image = "";
            }

        $imgsrc = wp_get_attachment_image_src( $image, 'full' );
        $imgsrc = $imgsrc[0];
        $slide_bgimg   =  "url(". $imgsrc .")";