To customize, explore your Options. The Options button is your gateway to many of iPhoto’s book-customizing options. Click the button, and the Options pane appears.
Exactly which options appear depends on what you’re doing. If you select a photo and click Options, the Options pane contains settings for borders and effects (described below). If you select a text element, you get font formatting options (page 123).
Adding borders and effects. You can have borders around any photo, and in several styles. Some borders allow for text captions, while others simulate shadows and even crinkled paper. To add or customize a border, select a photo, click the Options button, and choose a style.
You can also use the Options pane to apply ...