Now running on a Raspberry Pi model 2B, faster and with more memory than the older models. The "Pi-2" is more than capable of serving the web pages and now that I have a Clayton's "broadband" connection with a consistant 4.6Mb/s uplink, I can serve web-pages at a reasonable speed.
[Here] is how it is done, if you are interested.
My pieces for Bridge Beginners.
A few pictures.
Some docs for the IPCop firewall.