i use this to redirect sites i dont wanna have traffic from
RewriteEngine on
RewriteCond %{HTTP_REFERER} ^http://fusker.lewww.com/.*$ [NC,OR]
RewriteCond %{HTTP_REFERER} ^http://babes.coolios.net/.*$ [NC,OR]
RewriteCond %{HTTP_REFERER} ^http://fusker.org/.*$ [NC]
RewriteRule \.(jpg|gif)$
http://www.some of your sponsor paysites or 404.com/ [R,L,NC]
most of the time i put in the last domain a paysite url that way i dont burn the bandwidth, i had to do it last time with some japanese tpg linksite who linked one of my squirting galleries