问在使用LiipImagineBundle流时，如何在模板中格式化图像标记

EN

knp_gaufrette:
adapters:
    image_storage:
        amazon_s3:
            amazon_s3_id: namespace_admin.amazon_s3
            bucket_name:  %amazon_s3_bucket_name%
            create:       false
            options:
                create:     true
                directory: 'mydir'
                region:     %amazon_s3_region%


filesystems:
    image_storage:
        adapter:    image_storage
        alias:      image_storage_filesystem

    s3_storage:
        adapter:    image_storage

stream_wrapper:
        protocol: data
        filesystems:
            - s3_storage



namespace_admin:
    amazon_s3:
        aws_key:        %amazon_aws_key%
        aws_secret_key: %amazon_aws_secret_key%
        aws_region:     %amazon_s3_region%
        base_url:       %amazon_s3_base_url%

liip_imagine:
    loaders:
        stream.my_namespace_images:
            stream:
                wrapper: data://s3_storage

resolvers:
   default:
      web_path: ~

filter_sets:
    cache: ~
    gi_thumb:
        data_loader: stream.my_namespace_images
        quality: 75
        filters:
            thumbnail: { size: [120, 90], mode: outbound }