How to show in front End images using Visual Composer attach_images?

$gallery = shortcode_atts( 
                    array(
                        'post_gallery'      =>  'post_gallery',
                    ), $atts );

        $image_ids=explode(',',$gallery['post_gallery']);
        $sigle_img = wp_get_attachment_image_src($image_ids[0], "large");
        $img="<div id='tourGallery'><img class="imgthumb" id='' src="".$sigle_img[0]."" style="width:100%" alt=""></div><div id='galleryThumbs'>";
        for($i=0;$i<=9;$i++)
        {
         if($image_ids[$i]!="")
          {
          $imgs = wp_get_attachment_image_src($image_ids[$i], "large"); 
          $img.="<div><img class="imgthumb" id='' src="".$imgs[0]."" style="width:100%" alt=""></div>";
          }
        }
        $img.="</div></div>";
        return $img;

Achieved!!!