Simple click on the left side of your screen where it says "events" once you are there it will pull up your pre-filled event dates. You can easily delete or edit the event dates from the list. To add photos and text, click + ADD NEW EVENT
Once you are in the calendar event screen, select the date you wish to add customization to. ( Tip: Make sure you are in the correct month )
To add photos, select PHOTOS from the left tool bar. You will then have the option to upload images from your device, use images you have uploaded or used in a recent project, or from linking your Facebook profile. Drag and drop your image into the photo template. You can use the transform tool to ensure that the photo is in the photo box how you would like it.