it takes me here if i click this isn't an attack site. http://www.stopbadware.org/firefox?hl=en-US&url=http%3A%2F%2Fwww.rollitup.org%2Ftoke-n-talk%2F367211-attack-site-wtf.html%23post4645114#can_i_disable_the_firefox_warnings
maybe someone uploaded a picture with a virus on it? or one of the ad...