Kinda old but I'm reviewing your posts for optimizations so I thought I'd drop a note in here.
You can open auth.php and at the bottom put:
Code:
if ($login) {
$name = func_query_first("SELECT firstname,lastname from $sql_tbl[customers] WHERE login='$login'");
$smarty->assign("name",$name);
}
Then use {$name.firstname} and {$name.lastname}