A really cool way to display your photos is to use one of the Photo Grids. These are aesthetically pleasing arrays of photos in a fixed arrangement.
To find the grids, simply click the Shape icon in the left hand toolbar. All > will show the complete selection of grids.
The grids are available in a number of configurations - so 16:9, 4:3 and a whole range of other variations - just explore the folder to find the one you like. Select the grid to add it to your doc.
You can add photos to the grids by dragging and dropping an image from the stock photo collection (click Image in the left hand toolbar to see our stock photo collection) or your file explorer, or select the photo, click Replace and choose from one of the options: