We are seeing a large number of Timeouts at Pullfolio, this is because Flickr is having some serious hiccups right now, and there is nothing we can do about that when Flickr is down as we use their API extensively. Bad timing for us as we are getting a lot of new users setting up Pullfolios.
Flickr is working on it at the moment and they are posting updates at Flickr Blog.
Sorry for any inconvenience. Hopefully they will be back up soon.