instructions are for firmware 1.1.3/4

sync the wallpaper to your iphone or ssh/iphonebrowser it to the wallpaper directory on the phone root/library/wallpaper

ssh or iphonebrowser the bottombarknobgray.png to root/system/library/frameworks/telephonyui.framework

ssh or iphonebrowser bottombarbkgndlock.png to root/system/library/frameworks/telephonyui.framework

use "customize" to remove the "slide to unlock" text from the lock screen 

and that should about do it...restart the phone, select the walpaper and voila!!

-Cynikal.Mindset