6600 ringtones

Hi, i know n6600 can play midi,wav,and polyhonic ringtones(like almost every other phone)but i heard it can play something called real (true ringtones) is it something like mp3's and where can(any website) i download these ringtones to my pc (so i can send them to n6600) thanks __________________ http://gsmarena.sonnerie.net/index.php __________________ thanks man the site is great