Multiple Exchange accounts:

scp [email protected]:/private/var/mobile/Library/Preferences/com.apple.accountsettings.plist .

Paths:

/Library/Themes           # Winterboard themes
/User/Media/DCIM/100APPLE # Photos
/User/Media/Recordings    # Voice recordings

Copy photos:

rsync -v -r [email protected]:/User/Media/DCIM/100APPLE ./photos

Ringtone conversion using ffmpeg:

ffmpeg -i foo.mp3 -ac 1 -ab 128000 -f mp4 -acodec libfaac -y target.m4r