From: "Spectra" <mOnO at SpectraTechnology dot Net>

>I don't know if this question has already been asked... but is there a way
> to get to any kind of shell for monowall?  Any kind of command line
> terminal interface?  SSH?  Telnet?

Yes.  It is not recommended for security reasons, but you can add one. 
http://chrisbuechler.com/index.php?id=20

> Also, can the image files and php files building the gui be edited?

You bet.  Many people do this.

> Would I have to build my own monowall image?

That is the only way to change things and have them survive a reboot.  I 
have created a simple development environment for Qemu, but I am almost 
ready to alpha it when I find a place with the bandwidth.

                        Lee