I get the same for people with <1000 tweets, and it eventually terminates with some sort of error. It can't retrieve twitpic photos and returns a 502 for one.

I get the same for people with <1000 tweets, and it eventually terminates with some sort of error. It can't retrieve twitpic photos and returns a 502 for one. Running it on Windows 7. I wouldn't be surprised if the error is with Twitter.