User-agent: * 
Disallow: /administrator/
Disallow: /cache/
Disallow: /components/
Disallow: /editor/
Disallow: /help/
Disallow: /images/
Disallow: /includes/
Disallow: /language/
Disallow: /mambots/
Disallow: /media/
Disallow: /modules/
Disallow: /templates/
Disallow: /installation/

User-agent: Googlebot-Image
Disallow: /

User-agent: * 
Disallow: /

User-agent: Gigablast 
Disallow: /

User-agent: Googlebot
Disallow: /

User-agent: Yahoo
Disallow: /

User-agent: Inktomisearch
Disallow: /

User-agent: EmailCollector
Disallow: /