A map of amp images output:

amp-images-map.php

/**
 * Single image
 * @link https://ampbyexample.com/components/amp-img/
 */
$single_image = array(
    'element' => 'amp-img',
    'attributes' => array(),
);

/**
 * Single image with amp-lightbox
 * @link https://ampbyexample.com/components/amp-lightbox/
 */
$single_image_lightbox = array(
    'element' => 'amp-img',
    'components' => array(
        'amp-lightbox',
        'amp-bind',
    ),
    'attributes' => array(
        'on' => 'tap:my-lightbox',
    ),
);


$gallery = array(
    'div' => array(
        'list' => array(
            'item' => array(
                'element' => 'amp-img',
                'attributes' => array(),
            ),
        ),
    ),
);

/**
 * Gallery with amp-lightbox
 * @link https://ampbyexample.com/components/amp-lightbox/
 */
$gallery_lightbox = array(
    'components' => array(
        'amp-lightbox',
        'amp-bind',
    ),
    'div' => array(
        'list' => array(
            'item' => array(
                'element' => 'amp-img',
                'attributes' => array(
                    'on' => 'tap:my-lightbox',
                ),
            ),
        ),
    ),
);

// Gallery with amp-lightbox-gallery
// https://ampbyexample.com/components/amp-lightbox-gallery/
$gallery_lightbox_gallery = array(
    'components' => array(
        'amp-lightbox-gallery',
    ),
    'div' => array(
        'list' => array(
            'item' => array(
                'element' => 'amp-img',
                'attributes' => array(
                    'lightbox' => '',
                ),
            ),
        ),
    ),
);


/**
 * amp-carousel
 * @link https://ampbyexample.com/components/amp-carousel/
 */

// type="carousel" to display a list of images as a continuous strip.
$carousel_carousel = array(
    'components' => array(
        'amp-carousel',
    ),
    'amp-carousel' => array(
        'type' => 'carousel',
        'list' => array(
            'item' => array(
                'element' => 'amp-img',
                'attributes' => array(),
            ),
        ),
    ),
);


// type="slides" to display a list of images as slides.
$carousel_slides = array(
    'components' => array(
        'amp-carousel',
    ),
    'amp-carousel' => array(
        'type' => 'slides',
        'layout' => 'responsive',
        'list' => array(
            'item' => array(
                'element' => 'amp-img',
                'attributes' => array(
                    'layout' => 'responsive',
                ),
            ),
        ),
    ),
);

// Carousel with amp-lightbox
$carousel_slides = array(
    'components' => array(
        'amp-carousel',
        'amp-lightbox',
        'amp-bind',
    ),
    'amp-carousel' => array(
        'type' => $type ? 'carousel' : 'slides',
        'list' => array(
            'item' => array(
                'element' => 'amp-img',
                'attributes' => array(
                     'on' => 'tap:my-lightbox',
                ),
            ),
        ),
    ),
);

// Carousel with amp-lightbox-gallery (types?)
// https://ampbyexample.com/advanced/image_galleries_with_amp-carousel/#image-gallery-with-lightbox
$carousel_slides = array(
    'components' => array(
        'amp-carousel',
        'amp-lightbox-gallery',
    ),
    'amp-carousel' => array(
        'type' => 'slides',
        'layout' => 'responsive',
        'lightbox' => '',
        'list' => array(
            'item' => array(
                'element' => 'amp-img',
                'attributes' => array(),
            ),
        ),
    ),
);

// And More...