A couple of general questions...
 

1) There is a section in your user profile titled "Recent Visitors", and my first question is about that, although it probably applies to all of those little sections. I hit that arrow button in the top right-hand corner of the box, and my "Recent Visitors" section disappeared. How do you get those boxes to show their contents again?

2) There is another website called MustangForum (without the 's' at the end). It looks very similar to this site. What is the difference between this site and that one? Are they partner sites, or what?

You should be able to click that arrow a second time to get the window to reopen. Not sure on the status of the other site.

As far as the window goes, it's back now, though I'm not sure how. The arrow that supposedly would reopen the window just disappeared once I hit it, and I don't really want to try it again now for fear that it will just disappear again. Thanks for the help!