Drpbox Carousel is the new mobile gallery app provided by Dropbox. It is used to view, store and share photos and videos with others. If you want to add phhotos from MyFamily to Dropbox Carousel, you need to download and install "Dropbox Desktop Application" on your computer. It creates a dedicated folder on your computer called "Dropbox" folder. Anything you put in the folder will automatically store in your Dropbox accouont.