Aligns attached image in thumbnail size to the right in Genesis grid loop

wpp-genesis-grid-image-right.php

<?php
/*
Plugin Name: wpPERFORM.com Genesis Grid Image - Align Right
Description: Aligns attached image in thumbnail size to the right in Genesis grid loop
Version: 0.1
License: GPL
Author: The wpPERFORM.com Team
Author URI: http://wpperform.com
*/
add_filter( 'genesis_grid_loop_args','wpp_grid_image_left' );
function wpp_grid_image_left() {
$grid_args = array(
'grid_image_size' => 'thumbnail',
'grid_image_class' => 'alignright',
);
return $grid_args;

}