Right click on the desktop, and select properties command.
A Display Properties dialog will be opened. Please click the Settings button.

Then, the Flash Smith Properties dialog will be popped up.

Click

button to add Flash files
into the playback list. If needed, use the other buttons to remove or adjust the sequence.

With the help of the preview window, you can find your favorite Flash quickly.
Now you have made your first screen saver with Flash Smith. Click OK button to close the Flash
Smith Properties dialog.
To preview it, click Preview button of Display Properties dialog.