Add image slideshows as a background to your sections, columns, or inner section using the Elementor Addon Elements Background Slider feature.
To add a background slider, edit the section/ column, click the Style tab, and then go to the EAE – Background Slider option.
Style
Add Images: Click the Add Images button to select images to display. Once selected, click the Create a New Gallery button and then the Insert Gallery button.
Image Size: Select the image size from Thumbnail to Full or Custom.
Transitions: Choose from Fade, Slide Right, Slide Left, Slide Down, or Slide Up.
Animation: Select the animation style.
Custom Overlay: Enable it to add a custom overlay.