To place a slideshow in your publication, you must be in editing mode.
Click the Slideshow icon on the left toolbar.
In the popup, click Upload.
❗ If you have previously uploaded images, select them from your Library instead.
Select the files from your device, then configure the slideshow properties:
Image mode: Crop crops images to fit the rectangle; Fit centers images without cropping.
Transition: Slide brings the next image in from the right; Fade cross-fades between images.
Optionally enable: image captions, controls (arrows), autoplay.
Click Add to page.
Move the slideshow to the desired position and drag its corners to resize.
Save the page.