dPhotos
OproLab
dPhotos ist a small and intuitive image slideshow generator. Just pick "dPhotos slideshow" from your folder's or jpeg file's context menu and the show is ready. Even if the photos are still on your camera's memory card you can enjoy impressive transitions and your favorite background music. No configuration is required. The program uses few, easy to learn shortcuts and Mouse Gestures to navigate through the slideshow. It integrates with Picasa. You can add its button to Picasa's custom toolbar and enjoy new kind of slideshows in Google's application.