Yeah you need a code.
The easiest way is to follow the link they give you while they ask for the code and then you just reply there (you can as anonymous) and someone will send you a code.

That's how it worked for me.
It was easy. So I don't see the sense with those codes, but hey... pffff....

Here: http://dw-codesharing.dreamwidth.org/
Post your addy and they will send you a code and then you can create a free account there :)

I'm posting my "old stuff" over there these days :)
Just to make sure.

"In Between" was my first fic for QAF, it's so to say my baby *gg*