Ok thanks guys very much.

I have one more REALLY important question....

I dont have fuck all money. What is the CHEAPEST, best light to use. Could i use one light all the way though... i know i can, but what is best? Please, i need to know the best light type to use, if i was going to use that all the way though. And one that is cheap, i only really have like £25 to buy a light with....