Picture class without S3 authentication

Picture1.rb

class Ckeditor::Picture < Ckeditor::Asset
  has_attached_file :data,
      :url => "/ckeditor_assets/pictures/:id/:style_:basename.:extension",
      :path => ":rails_root/public/ckeditor_assets/" +
          "pictures/:id/:style_:basename.:extension",
      :styles => {:content => '800>', :thumb => '118x100#'}
  # etc....
end