if you hit submit, it tries to go to <name>.<extension> - it's like copying/pasting a url from safari into iChat or Adium. It shows a clickable name, not the full URL.
You can use the registration code from the signup e-mail. Cheers!
For help using or installing, please check here: http://blog.droplink.me/post/83016847/installing-and-using-d...