I have 128x64 LCD like this: http://www.mindkits.co.nz/store/led-lcds/128x64-graphic-lcd
and I dont know hot to connect LCD to my arduino mega 2560 or arduino duemilanove.
Can anyone help me? And write simple code, to realy know that works. THANKS.
That webpage has a library for using it with an Arduino; I suggest you take a look at that. As for connecting it... I'd solder a header into those pins and put it on a breadboard, then use some jumpers to connect the appropriate pins to the Arduino.