CD/DVD Package - Use for an Album that contains a large number of photos, and perhaps audio and video files, that you intend to copy to a CD or DVD. Both the Phota Screensaver and the interactive Phota Viewer are included.
Screensaver Package - Use for a fairly small Album that you might distribute as a download from the internet. All of the image, audio and video files, in addition to the software, are built into a single, self-contained executable file. The Phota Screensaver is always included, and the interactive Phota Viewer can optionally also be included.