Software I used:
Animated Screen for Windows 95/98/NT by PY Software, Inc. http://www.pysoft.com/

Run b00_01.exe and follow the instructions step by step.

‚h used the photographs of so-called High Mountain Butterflies from Central Japan which I took in 1998 and 1999.

Anthocharis cardamines hayashii Fujioka, 1970
Aporia hippia japonica Matsumura, 1919
Limenitis populi jezoensis Matsumura, 1919
Erebia niphonica niphonica Janson, 1877
Erebia ligea takanonis Matsumura, 1909

Disclaimer of warranty:

This software is distributed "as is" and without warranties whether expressed or implied.

Starting:

From the Control Panel, choose the Display icon.
Select screensaver with the name b00_01 from the list of screensavers on the Screensaver tab.

Uninstallation:

Delete b00_01.scr from WINDOWS/SYSTEM directory.