What depth/tackle do you guys use to target the larger returning silvers versus the smaller residents or pinks?

I have been picking up lots of small ones at Jeff Head on a green flasher with a small silver hootchie rigged 24" behind and either herring strips or sand shrimp scent. I've been trolling this fast with 50 feet of cable out & a 10lb weight. Also got kings & pinks on this rig on sunday.

For a while I was using a hooded herring behind a fish-flash and a 2.5 oz weight (no downrigger) but I kept losing herring to the small ones and very few actual hookups. More often than not I would discover I had been trolling with an empty hook as the herring had been pulled off by a small fish. When I did manage to hookup on the herring, they were decent fish.

I'm curious what works for others?