Oy, I feel silly now.
Yes, it was the event wrapper. Thanks

First off, the S9Y installation in question:
http://keilaron.kicks-ass.org/den/
As you can see, the sixth sidebar entry is just blank. If this were the only problem, I might not be so concerned, but naturally it just *has* to interfere with something (The sidebar visibility plug-in.).
This occured ...

I works for me. Try checking your password.
Basically, my steps for installing were:
Download, extract, install, configure, use.
The server should be www.livejournal.com (unless you use something else). Again, double-check your username and password, you may've made a typo.