You add as many pictures sets from as many different places you like to the list and decide how you want them shown. Additional fine-tuning options are available from the ‘More Settings’ dialog where you can tweak till you heart’s content. Maybe you want a 3-month calendar on your desktop, your backgrounds always to be sepia or a cork noticeboard look – whatever you want is probably there.

Home Page - https://johnsad.ventures/software/backgroundswitcher/windows/