Step 1: Photo choices
First, choose your photos. For calendars you’ll need more, but whatever you’re designing it’s better to choose too many, then pick the best ones later.
Step 2: Create
Hit the Create button in the bottom-right. Here you can select all kinds of products, but for now choose Card. We’ll be making a calendar in a moment.
Step 3: Card types
Along the top are three kinds of designs. Letterpress offers a premium pressed card, while folded and flat cards are glossy, with a classic greetings card feel.
Step 4: Colour options
On the right you have the choice of colours for your card. Click one and the change will show up on the card itself, and in the previews below.
Step 5: Adding photos
You’ll now enter the editing section. You can add extra photos by clicking Photos in the bottom-right and dragging them in. Move them as much as you like.
Step 6: Text editing
Click the text and you can customise it to your liking. Click Options at the bottom of the window and you’ll see a full selection of menus for changing the text.
Step 7: Calendars
The system is the same when you’re making a calendar, but with a few extra options. You can choose to add calendars from your Mac, including birthdays.
Step 8: Month-to-month
You can double-click a month and drag in new photos. iPhoto can pick photos automatically, but you may need adjust things like moving wintery photos out of August.
Step 9: Buying options
Click the Buy Card or Buy Calendar button at the bottom of the window and you’ll see this screen. It’s all linked to your Apple ID, so you can pay quickly.
(Click on the image below to zoom in and view the annotations)