Screensaver Rotator, by Jim Chevalier.

Filename: ss-rotate.bat
Version 1.0 released to the Public Domain
Platform: Windows 2000 and above.

Use with: http://www.jimbug.org/downloads/download.htm#exe2scr

Place ss-rotate.bat in it's own directory.
Run once to create default screensaver list file, then add/remove screensavers to that file.
Then set exe2scr to run this file.