Here are a few ringtones I made for the iPhone.  I like generally like tones that don’t have any voice tracks in them so most of them will be instrumentals.

Just drag them into iTunes and sync with your iPhone.  No jailbreak needed either.

(Right-click and choose “Save Link/Target as” to save to your computer)

ringtone-Astroboy.m4r
ringtone-Boom_Boom_Boom.m4r
ringtone-Dirty_Little_Secret.m4r
ringtone-Entertainment_Tonight.m4r
ringtone-Hockey_Night_In_Canada.m4r
ringtone-I_Think_I’m_Paranoid.m4r
ringtone-Jeopardy.m4r
ringtone-Ludi.m4r
ringtone-Merry_Melodies.m4r
ringtone-More_Than_Words.m4r
ringtone-My_Girl.m4r
ringtone-NBA-Roundball_Rock.m4r
ringtone-Sleeping_in_my_car.m4r
ringtone-Smooth.m4r
ringtone-Stand_By_Me.m4r
ringtone-Through_The_Fire_And_Flames.m4r