You need to decide in what order type you are organizing your Journal. That all depends on the subject.
Most common order is chronological. That is the easiest, especially when your photos are of your family.
You could also organize by Season or time of the year.
You could organize by category, such as sport or event.
You could organize by person.
There are many way to organize your journal and in the end it is however you want it. Just be creative.