Rather than buy a pro lighting kit, you can just use lights that are available to you. Stand-up halogen lamps, for instance, or the 500W work lamps you can get from Home Depot. Also, get a couple of aluminum reflector fictures (you know, the lights with clamps on them)also from Home Depot, and put some lamps (or bulbs) of various wattage into them, depending on the types you need. You can also make cookies out of cardboard, and use white postedboard or cardboard covered in aluminum foil as a reflector. Finally, you can take any pole or pipe, and hang a piece of white cloth down from it. Hold it in front of one of the work lights, and bingo - a softbox! Oh, and tracing paper makes a great diffusion material.
As for the background sounds: if you edit on a computer, you can just drop them into the additional audio tracks in your editing software. If you do it on a linear machine (or even in-camera), you'll need to find out how to do an audio dub. Check the instruction manuals for your camera or VCR.
Finally, the editing software. Most pro editing software is very expensive, but for simple work, there are several freebie programs out there. Search the forums. Also, the new Windows ME and Mac OS come with free video editing programs.
Now, a question of my own. Assuming you create your own lighting kit, how do you make barn doors? Any suggestions?
Best of luck.
ADOM
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