User-agent: IRLbot 
Disallow: /

User-agent: STEROID 
Disallow: /

User-agent: T-H-U-N-D-E-R-S-T-O-N-E
Disallow: /

User-Agent: *
Disallow: /admin/
Disallow: /images/
Disallow: /includes/
Disallow: /top
Disallow: /top/
Disallow: /top.swf
Disallow: /logout.php