Diesel,
The cheapest way is to bolt a small length of conductive metal strip to the positive terminal. At the other end of the strip drill a hole and pass a bolt through, long enough to terminate the number of positive wires you intend to connect. Don't forget this metal strip and bolt/nut are live at all times.
In the pic, which you wanted, I have spread out the positive wires from their insulating "tubes" so you can see how they connect (count the yellow connectors). You'll notice each of the positive wires has an inline fuse close to the battery. It also helps to label the red wires at each end.
Many people have commented on my 12v wiring ability, such as "I don't believe what I'm seeing", "Can I photograph that?" and "Do you carry a fire extinguisher?"