How do you make custom ring tones for your phone?

How do you make custom ring tones for your phone, for say, 20 designated seconds of a song, or just a part of a song? Any help is greatly appreciated!

Public Comments

1. This is a good site to upload your own music into a ringtone: http://www.myxer.com/make/
2. VENTONES http://www.myventones.com the BEST FREE site for ringtones , wallpapers , animations ... etc...