Program settings. Output video settings
Scale to fit
If the “Scale to fit” box is checked in the Program settings section, it would be automatically checked in a corresponding area in the slideshow video settings section.
Check this box in the Program settings section to get it checked every time you configure the settings for a slideshow.
Check this option if you want to keep Icecream Apps logo in the lower right-hand side of your slideshows.
Resolution that user chooses in this section (640х480, 800х600, 1024х768, 1280х1024, 1600х1200, or 1920х1080) will be automatically applied in the slideshow resolution section of the Slideshow video settings panel.