User-agent: ia_archiver
Disallow: /

User-agent: gigabot
Disallow:  /

User-agent: OmniExplorer_Bot
Disallow: /

User-agent: *
Disallow: /index.php?cat
Disallow: /category
Disallow: /sgsearch.php
Disallow: /images/
Disallow: /audio/
Disallow: /other/