Hey Bethan,
Here’s some examples of Squarespace’s carousel options.
Carousels can be set to show any number of images at once, and set to any one consistent ratio (i.e. 3:2 landscape, 1:1 square, 16:9 widescreen etc.)
Any images that are added that aren’t that ration, will simply be automatically cropped into.
TITLE (if you want one… can be styled however).
TITLE (if you want one… can be styled however).
Carousel example