Add Lazy Load to Genesis Get Image

gistfile1.txt

add_filter( 'lazyload_images_placeholder_image', 'wps_lazyload_placeholder_image' );
/**
 * Filter the default image src/URL.
 *
 * @param $image string Default Image URL/src.
 * @return string New default Image URL/src.
 */
function wps_lazyload_placeholder_image( $image ) {
    return 'http://url/to/image';
}

wps_get_image_lazy.php

add_filter( 'genesis_get_image', 'wps_get_image_lazy' );
/**
 * Filter the output to add lazyload_images_add_placeholders() helper function.
 *
 * @param $output string HTML markup of the image.
 * @return string Modified HTML markup for lazyload use.
 */
function wps_get_image_lazy( $output ) {
	return lazyload_images_add_placeholders( $output );
}