Display a member's gravatar and a link to update at Gravatar on the Membership Account page "Profile" section.

my_pmpro_account_bullets_avatars.php

<?php 
function my_pmpro_account_bullets_top_avatar() 
{
	global $current_user;
	echo '<li class="alignright" style="display: inline-block; list-style: none; margin: -5rem 0 0 0;">' . get_avatar($current_user->ID, 200) . '</li>';
}
add_action("pmpro_account_bullets_top","my_pmpro_account_bullets_top_avatar");

function my_pmpro_account_bullets_bottom_avatar() 
{
	global $current_user;
	echo '<li><strong>' . __('Avatar','wp') . ':</strong> <a href="http://gravatar.com/" target="_blank">' . __('Update at Gravatar.com','pmpro') . '</a></li>';
}
add_action("pmpro_account_bullets_bottom","my_pmpro_account_bullets_bottom_avatar");