If you set Bento to display the iPhoto library, Bento gets the photo and video clip information from the iPhoto application and keeps the information in your iPhoto library updated with iPhoto changes. However, you can’t add, delete, or duplicate records, collections, Smart Collections, or records within collections and Smart Collections in the iPhoto library. You can’t edit the contents of fields that originate in the iPhoto application.
In Bento, your iPhoto Albums appear as collections and Smart Albums appear as Smart Collections. The Bento iPhoto library contains default collections that correspond to these iPhoto items:
Last 12 Months,
Last Import, and
Flagged.