Using rFlickr

copy_token.sh

cp /tmp/flickr.cache /your/rails/application/config/flickr.cache
rm /tmp/flickr.cache

flickr_auth_link.rb

>> flickr.auth.login_link
=> "http://some.link.flickr.com"

get_and_cache_token.rb

>> flickr.auth.getToken('that_frob_number_we_saved')
>> flickr.auth.cache_token
>> exit

get_rflickr_frob.rb

>> flickr.auth.getFrob

photography_controller.rb

class PhotographyController < ApplicationController
  API_KEY = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
  SHARED_SECRET = "xxxxxxxxxxxxxxxx"

  def index
    view
    render :action => 'view'
  end
  
  def view
    flickr = Flickr.new(RAILS_ROOT + "/config/flickr.cache", API_KEY, SHARED_SECRET)
    @photos = flickr.people.getPublicPhotos(flickr.people.findByUsername("YOUR_FLICKR_NAME"))
  end
end

setup.sh

sudo gem install rflickr --include-dependencies

setup_rflickr_object.rb

>> require 'flickr'
>> API_KEY = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
>> SHARED_SECRET = "xxxxxxxxxxxxxxxx"
>> flickr = Flickr.new("/tmp/flickr.cache", API_KEY, SHARED_SECRET)
>> flickr.auth.token
=> nil

to_the_console.sh

cd /your/rails/application
./script/console

view.rhtml

<% for photo in @photos %>
  <a href="<%= photo.flickr.photos.getInfo(photo.id).urls.values %>"><img src="<%= photo.url('s') %>" /></a>
<% end %>