User-Agent: *
Disallow: /
Disallow: .jpg$
Disallow: .jpeg$
Disallow: .gif$
Disallow: .png$
Disallow: .bmp$

User-Agent: Googlebot-Mobile
Allow: /
Disallow: .jpg$
Disallow: .jpeg$
Disallow: .gif$
Disallow: .png$
Disallow: .bmp$

User-agent: Baiduspider
Allow: /
Disallow: .gif$
Disallow: .jpg$
Disallow: .jpeg$
Disallow: .png$
Disallow: .bmp$