This is how to make one networking card use mulitable IP addresses.

Name: Fedora
HomePage: http://fedora.redhat.com/
Function: Fedora Core is a free operating system that offers the best combination of stable and cutting-edge software that exists in the free software world.

Tor is a network of virtual tunnels that allows people and groups to improve their privacy and security on the Internet. Tor provides the foundation for a range of applications that allow organizations and individuals to share information over public networks without compromising their privacy.

Privoxy is a web proxy with advanced filtering capabilities for protecting privacy, modifying web page content, managing cookies, controlling access, and removing ads, banners, pop-ups and other obnoxious Internet junk.

Name: Privoxy
HomePage: http://www.privoxy.org/
Function: Privoxy is a web proxy with advanced filtering capabilities for protecting privacy.

Name: tor
HomePage: http://tor.eff.org
Function: Tor is a network of virtual tunnels that allows people and groups to improve their privacy and security on the Internet.