How can i put custom songs as my ringtone on my iPhone 3GS?

I've just gotten a 32gb 3GS iPhone and want to know how to put my own ringtone without going through all the rig moral of downloading the ringtone version and paying more from iTunes?
Thanks

Answer:

ventones

just upload the music to their site and they send you the ringtone straight in a text message.

Its a free site

Tags: custom songs