I used to put a specific ringtone to ring on the New Text Message, New Voicemail, New Mail, Sent Mail, Calendar Alerts, Lock Sounds and Keyboard Clicks ... Just mention some examples.
Originally Posted by iphonewarrior
You can use the images in your phone that you've taken or the ones that you've synced, for use as wallpaper or for contacts pictures. Ringtones you can sync via iTunes as well.
What exactly do you want to do?