Cold Smoker on the cheap or at least pretty cheap

Here's a couple of ideas from Smoke Pistol. Obviously it's featuring their products and there are several more testimonials using ECB and other cook chambers, but these two use a water cooler and the other a small Coleman style cooler.

Enjoy:
http://www.smokepistol.com/customertucker.html
http://www.smokepistol.com/customerbarber.html

Just a little info for those that are interested in projects. Obviously you could come up with other ways to inject the smoke.