sumphatpimp

try this



RewriteEngine On
RewriteCond %{HTTP_REFERER} !.*yourdomain.com.* [NC]
RewriteCond %{HTTP_REFERER} !.*avs1.com.* [NC]
RewriteCond %{HTTP_REFERER} !.*avs2.com.* [NC]
RewriteCond %{HTTP_REFERER} !.*avs3.com.* [NC]
RewriteRule /* http://popup-hell.com/ [R,L]

RewriteEngine on
RewriteCond %{HTTP_REFERER} !.*yourdomain.com.* [NC]
RewriteCond %{HTTP_REFERER} !.*google.com.* [NC]
RewriteCond %{HTTP_REFERER} !.*picpost.com.* [NC]
RewriteCond %{HTTP_REFERER} !.*advert.com.* [NC]
RewriteRule .*\.[gif|jpg|jpeg|bmp] - [NC,F]
ErrorDocument 401 http://anydomain.com/anypage.html
ErrorDocument 403 http://anydomain.com/anypage.html
ErrorDocument 404 http://anydomain.com/anypage.html
ErrorDocument 500 http://anydomain.com/anypage.html


one of these should work, depends on what you what to do,