Here is how to make a NES mod. This can take only 30 seconds if you know what your doing. If you don't it may take a few minutes, but none the less, it is easy, fun, and free. All software can be downloaded in one convenient pack from:
http://nesmods.moonfruit.com/
I would like to modify GOLDENEYE to use K'nex guns...
As I said, adding some more content, even a step-by-step in writing in a little more detail than your video will go a long way toward improving your post. Where do I get the editing tools? Why do I want to go to 00005E0? What other areas give interesting results?