If you have Cities of Earth 3D screensaver version 2.0 and above then you can add any city to the Earth map in your screensaver. All you need is to create a city record:
1. Create txt file and name it "cities.txt"
2. Open this file and add city records for desired cities. One record represent one city, and should be placed in separate line.
3. Save file
4. Place "cities.txt" file to the screensaver's installation directory (usually "C:\Program Files (x86)\Cities of Earth\").
5. Run the screensaver.
How to create a city record?
Time Zones to use in city record