To change the images on your website, open the website editor and click the Edit Image button in the bottom corner of the image or images you want to change.
A popup will appear that lets you easily search for new images. Select one of the pre-defined categories or enter a keyword in the search bar to find photos that relate to your desired category.
Once you find an image you like, click that image and select Confirm to update the image in the editor. Be sure to hit Publish at the top of the editor to post these changes to your live website.