Arduino Time Lapse Slider

I'm looking for a programmer who can compilarmi the Arduino Sketch, useful to start a Steper engine, the latter will have to move forward on the carriage, guided by two rails. The carriage will bring a camera, this will move a few centimeters at a time, and the controller will determine the total travel time in the slider, frazzionato for X step. I'm seguento an already compiled Sketch, but it does not work, so I try help. already have hardware: Genuine one, Motor Shield, Lcd Monitor Shield controller, the Slider 100 cm. For more information, and if only interested in offering help, please contact me.