def method_missing(method, *args)
      super unless args.empty?

      if @ifds.first.respond_to?(method)
        @ifds.first.send(method)
      elsif TAGS.include?(method)
        @ifds.first.to_hash[method]
      else
        super
      end
    end
def method_missing(method, *args)
      super unless args.empty?

      if @ifds.first.respond_to?(method)
        @ifds.first.send(method)
      elsif TAGS.include?(method)
        @ifds.first.to_hash[method]
      else
        super
      end
    end
Dispatch to first image.