I'm going to operate under the assumption that you've never used this blog, but you've already generated your own login and password and are now sitting on the home screen, itching to write what is certain the be the next Great American Blog.
If you want to change your password or edit your About Me blurb, click on the "Edit Profile" link.
This is what your log in screen should look like, more or less. Hopefully, it will not tell you that your name is DanaLu, though, because that would be kind of awkward for us both.
(you can click it to make it bigger)
So fancy! You've got a real profile now! Let's write, Pranksters!
Click on the Create new Submission link.