One of our clients makes locomotives. If you follow this link, there is a page with an entry Screen Saver. Click on that and you can download a file called locomotive.exe. when you run this, it sets up a screen saver with pictures of GE diesels around the world.
https://www.getransportation.com/general/locomotives/Locomotives.asp
https://www.getransportation.com/general/locomotives/Locomotives.asp