Login not publishing on k2 site

Stephen,
Glad to hear you liked the setup process. We're actually working hard to make things easier for the upcoming v5.1 release, so hopefully we don't go off the rails with that

The JFBCLogin module was discontinued about a year or so ago and replaced by the SCLogin module. It has more features than JFBCLogin and is being actively developed. So, even if you find the JFBCLogin module somewhere, don't use it. It likely won't work and will definitely cause you more problems

As to the case of the hidden module, the problem is likely the silly defaults in Joomla. Please scroll down in the module configuration and make sure the "Module Assignment" (in the Menu Assignment area) setting is "On all pages" and not the (very annoying) default of "No pages". Even if published and set to the proper position, if that's set to "No Pages", it won't show.

That's my best initial guess as to the issue, but if it doesn't help, let us know and we'll try to help further. My next suggestion would be to try another template (temporarily) and see if it works there. That will help narrow things down.

Thanks,
Alex