Support Isn't Showing Up in my Plugins

I see the folder sitting in wp-content/plugins (http://screencast.com/t/NaOLnkXG) and wp-content/my-plugins (http://screencast.com/t/N1kZ1sbo), yet don't see it in my plugins list (http://screencast.com/t/CksTKSNnSo). What am I missing here?

Also, when you say:

If you are using Multi-DB:

What does that exactly mean? Multiple databases on one WP3.0 install? I'm just using one database on the site, curious if this is the reason or not.