...
Realizing the current page shows only the latest pictures uploaded, the user brings her mouse over page 5. 
The dates that show up for page 5 are still fairly recent, she jumps over the 10 and 15, and mouses-over page 20.
August 2 seems pretty close to July 2007, so she clicks on page 20. 
She
She clicks on "next >", certain that her July vacation photos are on page 21.