need help krzr and sd card

i can put stuff from my computer onto the sd card then in the phone but i can not set any tones to a ringtone. it only plays in the mp3 section of the phone. i did not see a option to save it to the phone or move it to a ringtone. same with wall paper.,

All the answers you need are here
BTW, nextime:
(most moto uses the same concept)

i have done nothing but search..thank you. i have got it figured out.