How can I add new photos to my existing page on the website?
You can add or remove photos on your website page via organizer.
Just go to the Organizer and find the folder with the photo you want to update.
Upload new photos and once you complete uploading, open your website builder.
Then refresh your website page and you will see the new photos have been added.
To remove photos just remove them via organizer and refresh your website page again.
Here is an article on how to update your photos on the website: