image_uploader.rb

  def initialize(model = nil, mounted_as = nil)
    if model
      self.class.class_eval do
        model.image_types.each do |type|
          version type.name.to_sym do
            process :resize_to_fill => [type.crop_x, type.crop_y]
              # process :store_geometry
            end
          end
        end
      end
    end

    super
  end