Display colors

A friend of mine made a really great background for my macbook. On his PC and mine the background is mostly green. On my macbook it's a yellowish-green. I've tried the display calibration but it really doesn't let me choose the color scheme it only gives me a few options. Is there a way to pick the exact color scale I want?

from my experience, Macs are calibrated closer to neutral then PCs, often a PC display will be off a bit in colour but this is considered acceptable for most PC manufactures, This on the other hand is not acceptable for Apple.
That being said you should be able to go into system properties displays and calibrate the colour manually. I if remember correctly there is a gamma setting that will allow you to adjust it to the same a PC is calibrated to by default.