Found a solution!
This works with Arduino 1.0.1 and the 2x16 LCD/keypad.
http://www.dfrobot.com/wiki/index.php?title=Arduino_LCD_KeyPad_Shield_(SKU:_DFR0009)
Look at the second example, using LiquidCrystal.h
I just pasted the code, and added
#include <LiquidCrystal.h>
at the top, and "tadaaaa"!
KR
Magnus