I managed to make some bricks!
I used FormZ to make a wall with easy brick texturing. Then i saved the orthagonical pic and opened it in photoshop to clip out protions of the image and paste it into a bigger and less-tiling-like wall.
I calculated the proportions for the pic to be made in photoshop, and then overwrote the assigned texture file, given to the nurbs-wall.
BUT Maya wont allow you to set an exact texture file to attach to the object. Maya assignes texturemaps in magnitude of 256, 512, 1024 etc... pixels.
So I have now a small gap, which can be seen in the pic below.
But i guess i can figure out how to alter the placement of my "perfectly proportioned" texture file.