Carrierwave proccess zipfile contents

fileless_file.rb

#A nice little carrierwave IO faker class
class FilelessFile < StringIO
  attr_accessor :original_filename
end

galleries_controller.rb

#....
  def create
    zip_file = params[:gallery].delete(:zip_file)
    @gallery = Gallery.new(params[:gallery])

    if @gallery.save
      #in gemfile: gem "zippy"
      Zippy.each(zip_file.tempfile) do |name, file|
        io = FilelessFile.new(file)
        io.original_filename= name

        img = Image.new(:gallery_id => @gallery.id)
        img.image= io
        img.save
      end     
    end
    respond_with(@gallery, :location => galleries_path)
  end

image.rb

class Image < ActiveRecord::Base
  attr_accessible :gallery_id, :title, :image
  belongs_to :gallery
  mount_uploader :image, ImageUploader

  validates :image, :uniqueness => {:scope => :gallery_id}
end