Website alternative
Install Python module flick_download:
Repository: https://github.com/beaufour/flickr-download.git (Allan Beaufour, allan@beaufour.dk)
For installing, Python Setuptools are required (on Ubuntu, install python-setuptools package)
Download sources and run in the folder: sudo python setup.py install
Photo downloading
You need your personal API key and secret. From the Flickr gallery you should get the set-id.
flickr_download -k -s -d
Example calling
flickr_download -k da894365c531c8e2f1a9d7d95b8e70af -s 2a9e7c4b46c967cd -d 23157448051345724