Seems pretty cool. 20MB is huge! Free is awesome! I'm just now checking it out.
Feel like a trip to wonderland during tea break?
All you need is Easy-relax! Unlike other ambient noise applications, Easy Relax takes full advantage of the sound power of iPhone with which you can design your own relax themes by mixing backgound music with several ambient noises and configure volume level, interval independently. Imaging that sit by warm campfire and add the sounds of flute, owl, or a nearby creek, any sounds in the list as you want.