Jimm,
I just tried to download 2 stories from Twisting the Hellmouth. I have my password and name stored in my personal.ini but FFDL still asked for the name and the password and then errored out with an "unable to login".
http://www.tthfanfic.org/Story-28703...Misfortune.htm
and
http://www.tthfanfic.org/Story-28083...poken+Rule.htm