Tools for distributing Python software:
[http://www.mcmillan-inc.com/installer_dnld.html McMillan's Installer]
Also see [http://www.mcmillan-inc.com/install1.html McMillan's page] about (other) distributing solutions. And [http://www.thinkware.se/cgi-bin/thinki.cgi/PythonInstallers Thinki's PythonInstallers].