User-agent: ia_archiver
Disallow: /

User-agent: baiduspider
Disallow: /
 
User-agent: baiduspider+
Disallow: /
 
User-agent: baiduimagespider
Disallow: /
 
User-agent: baidumobaider
Disallow: /

User-agent: *
Disallow: /*.jpg$

User-agent: *
Disallow: /*.png$