save your images under `/sdcard/kioskmode/screensaver-images`;
The images are going to be played ordered alphabetically. So, for example, if you have
they’re going to be played as displayed in the list since 2.jpg is (lexicographically speaking) greater than both 10 & 11.jpg.
Note: you could also specify a set of comma separated list of Image URLs in the corresponding setting to fetch the Images from the net. Please be aware that images are cached.