User-agent: * 
Disallow: /*&lang=
Disallow: /?theme=*
Disallow: /*&comments=true
Disallow: /*paged=*
Disallow: /?paged=*
Disallow: /?lang=*
Disallow: /?nomobile*

# allow google image bot to search all images
User-agent: Googlebot-Image
Disallow:
Allow: /*

User-agent: Mediapartners-Google*
Disallow:
Allow: /*