# File lib/aws/auto_scaling/launch_configuration_collection.rb, line 63
      def create name, image, instance_type, options = {}
        
        client_opts = {}
        client_opts[:launch_configuration_name] = name
        client_opts[:image_id] = image_id_opt(image)
        client_opts[:instance_type] = instance_type
        client_opts[:block_device_mappings] = options[:block_device_mappings] if
          options.key?(:block_device_mappings)
        client_opts[:instance_monitoring] = instance_monitoring_opt(options) if
          options.key?(:detailed_instance_monitoring)
        client_opts[:kernel_id] = options[:kernel_id] if options[:kernel_id]
        client_opts[:key_name] = key_name_opt(options) if options[:key_pair]
        client_opts[:ramdisk_id] = options[:ramdisk_id] if options[:ramdisk_id]
        client_opts[:security_groups] = security_groups_opt(options) if
          options.key?(:security_groups)
        client_opts[:user_data] = user_data_opt(options) if options[:user_data]

        client.create_launch_configuration(client_opts)

        LaunchConfiguration.new(name,
          :image_id => client_opts[:image_id],
          :instance_type => client_opts[:instance_type],
          :config => config)

      end