The program allows users to import their own images and sounds. Users can create their own Environments. Users can also create their own Collections. This program comes with 15 or so preset Collections. Collections allow time rules to be applied to various environments. This means at the beach at 7:15 AM to 7:17 AM, then inner city work area 7:17 to 7:24 to wake up etc. Or ? Perhaps turn on the jack hammers when the in-laws show up midway through dinner - it's really all up to you. Enjoy full use of this program with no limitations in functionality. It is fair to point out our servers do know who is registered and who is not, and Suntelia certainly plans to offer better support and media offerings to registered users as a $1 > payment entitles a user to a serial authentication code which we can always help them find if they should lose it. Register once, and enjoy a lifetime of the best application, sound and image updates from Suntelia. If you are content not to register, please feel free to enjoy use of this application in your own way for it's lifetime. Some Environments include - Streams, Rivers, Pre-historic, Alien, many unique abstract music offerings. Assign images to show when a sound plays. Set per sound per Environment probability of playback, loops of course are on or off. Create slide shows that display while your audio Environment is playing. Foreign language potential with this application is in use however not offered as a provided Environment at this time.