get gravatar image in FacetWP for OLE site

gistfile1.txt

<?php
while (have_posts()):
    the_post();
?>
<?php
    if (get_post_meta(get_the_ID(), 'gravatar_email', true)):
?>
<div class="person">
<?php
        $gravy = get_post_meta(get_the_ID(), 'gravatar_email', true);
        echo get_avatar($gravy, $size = '96', $default = '<path_to_url>');
?>
<?php
    endif;
?>
<a href="<?php
    the_permalink();
?>"><?php
    the_title('<h3>', '</h3>');
?></a>
</div>
<?php
endwhile;
?>