if (isset($this->meta['thumbnail'])) {
            $this->sizes['thumb'] = array(
                "source" => sprintf("//static.railpage.com.au/albums/%s/%s.%s", dirname($this->path), $this->meta['thumbnail']['name'], $this->meta['thumbnail']['type']),
                "width" => $this->meta['thumbnail']['width'],
                "height" => $this->meta['thumbnail']['height']