DFRobot LCD Keypad Shield and the LiquidCrystal Library
The DFRobot LCD Keypad Shield is found at DFRobot.com and various other retailers (Robotshop, etc)
To use this shield with the LiquidCrystal library, use this define:
// initialize the library with the numbers of the interface pins
// RS E D4 D5 D6 D7
LiquidCrystal lcd(8, 9, 4, 5, 6, 7);