picture.rb

class Picture < ActiveRecord::Base

def self.new_from_flickr_photo(photo)
    picture = Picture.new
    picture.set_attributes_from_flickr_photo(photo)
    picture
end

  def set_attributes_from_flickr_photo(photo)
    # copy whichever attributes you might need
  end
  
  def flickr_photo(flickr)
    # re-create the photo-object
  end
end