How do you put ringtones into my ampd hollywood from the computer?

I made some songs shorter to put into my hollywood for a ringtone, but they show up in songs. What file do I save them in and how do I get it to my ringtones?|||Download Mp3 To Ringtone Gold to help you.64MB mp3 mobile phone can support more than 60 songs.http://www.ddz1977.com