I'm not sure this qualifies as news as this same thing has happened to other large sites from time to time. What likely happened is that one of the 3rd party a

I'm not sure this qualifies as news as this same thing has happened to other large sites from time to time. What likely happened is that one of the 3rd party advertisers on Twitpic delivered ads that contain something classified as malware thus resulting in the entire Twitpic site getting blacklisted.