Just point the cursor at the picture you want to make the desktop, press the menu key and select "Apply as", and then select "Wallpaper".

Just move the music you want to use as a ringtone to your mobile phone.

It's better to have a special ringtone, or MP3, 45 megabytes. If you move to a mobile phone, it is estimated that there will be no room for anything else on the phone.

The last point, e, is really good.