How to download all my Flickr content? Are there any free apps to download my entire photostream from Flickr?

Or at least as much content as possible? I want to quit my Flickr account.
http://www.malarkeysoftware.com/projects_PhotoGrabbr.html

This great piece of software will do it.

Beware though, if don't have a pro account, you can't download the high resolution originals.