If you want a quick and easy way to back up your photographs you might want to have a look at MyShoeBox which is a download product. Install it, choose the photographs you want to backup, or let the product do that for you. You can also add folders from Dropbox for example. You can arrange your photographs chronologically or by time of day, location, season and so on. You can also share galleries with your friends. Add the app into your smartphone and add your pictures to it.