Ok, I worked it out. These are the edits:
Open instagram_wpteams.php
After line 934 add:
$photo_link = $data->link;
After line 959 add:
add_post_meta($post_id, 'photo_link', $photo_link, true);
After line 992 add:
add_post_meta($post_id, 'photo_link', $photo_link, true);
After line 1026 add:
$photo_link = $data->link;
After line 1050 add:
add_post_meta($post_id, 'photo_link', $photo_link, true);
After line 1083 add:
add_post_meta($post_id, 'photo_link', $photo_link, true);
After line 1177 add:
add_post_meta($post_id, 'photo_link', $photo_link, true);
After line 1219 add:
add_post_meta($post_id, 'photo_link', $photo_link, true);
