User-agent: *
Disallow: /downloader/
Allow: /
Disallow: /var/

User-agent: Googlebot
Allow: /podcasts/
Disallow: /downloader/
Allow: /
Disallow: /var/

User-agent: Googlebot-Image
Allow: /media/catalog/product/
Disallow: /downloader/
Allow: /
Disallow: /var/