Just want to share this quick and simple tutorial on 'how to change your sytemstrings (slider texts and so on) thru Winterboard on iPhones having 3.0 FW'
Step 1.
DOWNLOAD
THIS
Step 2.
UNZIP the file on your desktop
OPEN (SHOW PACKAGE CONTENTS) AlaCustomize.theme > Folders > SpringBoard > en.lproj > SpringBoard.strings
Step 3.
OPEN Textedit in Mac or similar utility in Windows
Edit the strings to your choice then SAVE.
Step 4.
SSH the AlaCustomize.theme using Cyberduck or similar utility in Windows in private/var/stash/Themes.xxxxxxx
Step 5.
OPEN Winterboard > Check AlaCustomize.theme
Drag it on top of other themes
Step 6.
REBOOT/RESPRING

ENJOY