hey-ho, i need sum video! to mix in VegasVideo!

i would like sum info on a place that holds any and i mean any old
film of commercials, movie clips, TV shows and cartoons that no one remembers. If anyone knows of a place i can find anything remotly that has downloadable video to altar. Or even home movies with somthing interesting happening. i could use war footage or even space footage.
if anyone knows of websites with free video downloads, send em to me!
thanxs