Wordpress Plugin - Default Display name

I use the Wordpress plugin and it works great. There is one issue - I notice that when accounts are created in the Wordpress user database, the option "Display name publicly" is automatically set to Firstname Lastname. I would like to change that as many people who register want anonymity but do provide their real first and last name for billing purposes.

Where in the plugin do I flip a bit to make this change? I am happy to hack the code.

Found it

Found the code.

Code:

$this->query("INSERT INTO [db]users
		(user_login, user_email, user_registered, user_pass, 
		user_nicename, display_name)
	VALUES
		('$member[login]', '$member[email]', NOW(), '$pass',
		'$member[login]', '$member[name_f] $member[name_l]')
		");
$id = mysql_insert_id($this->db->conn);

$member[name_f] $member[name_l]

must be replaced with

$member[login]

I could see adding a custom field to each subscriber allowing them to pick this themselves. That would be a nice enhancement, one that the wordpress admin offers. I know everything can't be done, but it would be good if Amember plugin functionality was harmonized with the Wordpress Admin capabilities.