background-switcher-widget-for-elementor 2 page website

I want a two page elementor site where the home page is this:
https://unlimited-elements.com/background-switcher-widget-for-elementor/
with 4 panels, I will add the photos i want but please put 4 images in as placeholders

i want the second page to look like this
http://demos.themecatcher.net/storm/

when i replicate the second page, i want to be able to change the images on that page for the background switcher.

And tell me how to change it through a small video, assume i know nothing.

I want it done in 12 hours.

Thank you