PPS: Login:
You could use a sidebar link for login:
Change the link you got now which points to page Register.Login
to this:
[[{*$FullName}?action=login| Login ]]
To have on page Register.Login the following is definitely wrong:
$PageCustodianFmt = '
<ul>
<li><a href="$PageUrl?action=login">Login</a></li>
</ul>';
~Hans