Image Page Align Center
In contentr setup: Click the Image icon on the button bar. Select a single image to upload, it will be centered on page. Click the image in the editor, then select ‘100%’ for width.

Upload two images. Click an image. Click the '48%’ icon on each image, and then the Right or Left. Each will take half the screen and appear side by side as below.

More views of Chicago skyscrapers.