To create and share your Flickr slideshow, follow the process mentioned below.
To create a quick slideshow in Flickr click the Slideshow icon from a photostream, album, or your favorites and it will automatically create a slideshow display for you.
PicBackMan is a free photo/video uploader that helps you to keep your memories backed up to your favorite online services.
Users in 130+ countries have backed up.
... an excellent job of uploading more then 300GB of photos to 2 different services