You can add more photos whilst browsing your Calendar! When viewing your Calendar, you can click on 
button in the upper, left-hand corner and it will allow you to edit the pages.
Once you are in the editing page, you will see this icon 
on the right side of your calendar. After clicking on it, just click on the photos without the check-mark to add them to your Calendar.
In case you want to add photos that doesn't show on the selection, no need to worry! You can always scroll all the way down and click on the 
button and you can select any photo saved on your device!
If you have any questions, please don't hesitate to contact us!