public function urlify($size, $multiplier = 1)
    {
        // Get fluent config
        $config = $this->getConfig();

        // Setup vars
        $size = $this->sizes[$size];
        $scale = $size[0] / $this->bench;
        $width = $height = null;

        // Figure out percentage sizes.  First one of the dimensnios is tested
        // to see if it looks a percentage.  If so, make it a percentage of one of
        // the hard coded sizes.  Otherwise, scale the dimension by comaring the
        // size to a the benchmark (laptop).
        if ($perc = $this->perc($config['width'])) {
            $width = $perc * $size[0] * $multiplier;
        } elseif ($config['width']) {
            $width = $config['width'] * $scale * $multiplier;
        }
        if ($perc = $this->perc($config['height'])) {
            $height = $perc * $size[1] * $multiplier;
        } elseif ($config['height']) {
            $height = $config['height'] * $scale * $multiplier;
        }

        // Produce the Croppa URL
        $path = Croppa::url($this->getAttributeValue('file'),
            $width,
            $height,
            $config['options']
        );
        if ($path) {
            return asset($path);
        }
    }