Doplnenie:
If you want to only run a slideshow, then select GLSlideshow in "Only One Screen Saver" mode. Otherwise, the slideshow it will be just one of the display modes that xscreensaver will select from randomly, and run for the length of time specified in the `cycle' preference.
Slovensky: Ak chcete slideshow z obrázkov vyberte z ponuky GLSlideshow a "Only One Screen Saver" mód.
Následne vyberte v ponuke "Advanced" adresár v ktorom sú vaše obrázky.
Funguje perfektne.