save yourself from super obscure bugs that'll cause your hair to come out :P
please prefix variables in templates with $ :)
haha, was about to say. It's probably not the template you think it is. CMSMemberLoginForm is the one that pops up after a long period of inactivity in the CMS and the session has expired. It's a modal window that asks for password.
http://Security_login.ss might be what you're after.
upgrade the site!
yeah, should be automatic. If not, then there's a flag to set on the gridfield or something iirc.
ITE is the tricky one.
gotta have an account for MTS, but beyond that I don't recall any special setup.