These are .dm_3 files.
Many jumps are not included since many are very easy. Find a good jump on this map post it here.
The demos can be downloaded here.
omaha-1:

Very basic simple jump.
omaha-2:

Pretty cool out of map jump. Very simple.
omaha-3a:

How to get on the main bunker near german spawn.
omaha-3b:

Another way, but a little harder, to get on the main bunker.
omaha-4:

A simple jump to get on the anti aircraft gun. (Can be sprinted, I just strafed for fun)
omaha-5:

A panzer jump onto a bunker in the back of the german spawn.
omaha-6:

A panzer jump onto pipes.
omaha-7:

A pretty neat jump to get into a crater.