foreach($images as $image) {
            $theimage = wp_get_attachment_image_src($image->ID,$size);
            $lastone = next($images)==FALSE;
            $attimg    = '{image : \'';
            $attimg   .= $theimage[0];
            $attimg   .= '\'}';
            if(!$lastone){
                $attimg .= ',';
            }
            echo $attimg;
        }