I had been using a simple bulb in a bulb-holder and attached to a bit of flex & a plug as a light source. It did indeed provide light, but was non-directable, difficult to mount and fragile. I decided that it was time to do something about it, and after a bit of thinking, I came up with a solution.
The solution was a lamp that was cheap, easy to make, directable, robust and easy to mount virtually anywhere. The basic Idea is easy to scale up and can be used for making much more powerful lights simply by using a bigger container and more lamps. Very little skill is needed to make them and I'm sure that these lamps would have their uses for straight photography lighting as well, so if you are looking for some cheap camera lighting, why not try them out for yourself.