Your first task will be to get the Lesson 4 media into iPhoto. Here's how to do it.
When these four rolls are added to Student roll 1, your Library should look like this:
By default, iPhoto adds rolls to your Library and sorts them by roll date. To make viewing easier at this point, collapse each roll into a single line by clicking the black triangle on the left side of each roll icon. Before moving on, put your screen in this state: