CDI is a full-screen photo viewer, featured with thumbnail lists, full-screen view, slide show, background music, print page design. And it is absolutely portable: Small in size; No setup required, just copy it anywhere you need --- Photo CDs or Flash Disks. CDI supports CD auto-run, all you have to to do is inserting the disc into the drive - CDI starts up in automatic mode and displays all the photos one by one.