u must remplace the follow function in the file function.php:
function get_image_url(){
$image_id = get_post_thumbnail_id();
$image_url = wp_get_attachment_image_src($image_id,’large’);
$image_url = $image_url[0];
echo $image_url;
}
by this :
function get_image_url() {
$theImageSrc = wp_get_attachment_url(get_post_thumbnail_id($post_id));
global $blog_id;
if (isset($blog_id) && $blog_id > 0) {
$imageParts = explode(‘/files/’, $theImageSrc);
if (isset($imageParts[1])) {
$theImageSrc = ‘/blogs.dir/’ . $blog_id . ‘/files/’ . $imageParts[1];
}
}
echo $theImageSrc;
}