You can try here: http://www.python.org/windows/win32/#NTServices
Also, usually the Windows 2000 Server and Windows 2003 Server resource kits have a special tool for making almost anything into a Windows Service. Srvany.exe http://www.microsoft.com/downloads/details.aspx?FamilyID=9D467A69-57FF-4AE7-96EE-B18C4790CFFD&displaylang=en It might also be possible to use the "AT" command here and have it run the app anytime the OS boots up but I'm not sure on that.

