my %Media = {
        img_1 => {
                # scale down the image to this size if needed
                target_geometry => '200x200',
                thumbs => [
                        { name => 'img_1_thumb_1', w => 100, h => 100 },
                        { name => 'img_1_thumb_2', w => 50 , h => 50  }, 
                ],
        },