Choose Apple menu > System Preferences and click Desktop & Screen Saver (or click the link below to open System Prefs for you).
Make sure the Screen Saver tab is selected.
Click the + button at the bottom of the list of screen savers, and select Add Folder of Pictures...
Navigate to your Pictures folder, find the Pic-a-POD folder inside your Pictures folder and click Choose.
Set the options for type of display and time before screen saver starts.