User-agent: ia_archiver
Disallow: /

User-agent: Googlebot-Image
Disallow: /walk
Disallow: /school
Disallow: /

# go away
User-agent: *
Disallow: /walk
Disallow: /school
Disallow: /*.doc$ 
Disallow: /*.ppt$


User-agent: cybermapper
Disallow: /walk
Disallow: /school
Disallow: /*.doc$ 
Disallow: /*.ppt$