The Image Grid widget is an alternative to the Image Slideshow to display a set of images in a page.
In this case images are presented of a image gallery. Every image has a title and a description that will be displayed when the users clicks to display the image in the fullscreen lightbox.
You can insert this widgets in page from Add > Multimedia > Image grid.
The Image Grid can be configured to arrange the images in 2, 3 or 4 columns. When displayed on a small screen, like that of a smartphone, images will be riarranged in a single column.
Every Image Grid can contain up to 36 images. If you need more just add e second Image Grid widget on your page.
Here's an example Image Grid will a selection of cute animals.