Dropbox for Mac OS X has been updated, the latest version of the app is Dropbox 2.4.0 and it comes with some new features and improvements.
One of the new features in Dropbox for Mac is the ability to copy your iPhoto Library using a built in importer tool, it creates a Photos folder in Dropbox and then arranges all your photos with sub folders that are the same as your iPhoto library.
Another new feature is the ability to automatically save screenshots from your Mac direct to your Dropbox account, you can find out more details about the latest version of the app over at Dropbox.
Source Apple Insider