side images

Is there a way to set two images, one on the left and one on the right, to tile? right now I have one long image that tiles for my page background, but I’d like to have one page bg, and two images that go on each side of the back. I think the kubricks theme used this, but I’m not sure how. my current design with the side paterns as part of one image that tiles downward for my page bg. I’d like to have those sides as their own two images to put seperately on each side. thanks all.