yep all sounds about right on the breeding to me.
If they all came from me , I can clear up a lot of them
the salmon brested hen toward the bottom is a khaki silver duckwing
the white male with the high tail is one out of my pair of Cy Hyde's whites, any white hens you have with a touch of faint salmon to the brest will be Cy's white line too. Actually my male had the same angle for quite a while, didnt really like it either, but he got massive lenght for a bantam this year, still growing too and had him for over a year, so he's pushing at least 18 months already, so there are some genes there to work with, just dont like that leghorn angle, but with a tail like he ended up with, I can look past that.
the white male with the red shoulders, ?? I'm thinking is out of Cy's too (same tail angle) . As I said earlier, they are actually recessive cream pyles, from what Toni told me about them. Personally I only have bred my whites and silvers together, no other color to the whites, but that is where I got my birchens from too. (most all my silvers carry rec white, as that's how I got most of them) , never had one with red shoulders pop out, so figuring it has to come from Cy's some where. That leghorn look does too of course.
The black one, yep thats a Cy bird too, gold birchen. He'd most likely be from that male of Cy's I have and Toni's Schubert black hens I put him with for a while this year. From what Cy told me about him, mine also carrys lavender, so may get some if this male is split too, just depends on what was passed on to him. If bred to your sdw's it should give you a good base for birchens too. Same with bb reds toward brown reds. My boy ended up being about 4 foot this year, had a very long tail for a bantam. Did molt at 18 months old. and was pretty darn thick, seen thicker, but he wasnt bad.
Any of my whites that you may have that are just plain jane white with no salmon or back color, yep will be recessive white and should at times have a little of the silver leak threw, (would be a black streak here or there in the feathers.) and can be bred to silvers very easily. Like Ongadori said, bred to silvers they should make mostly silvers unless they are my silvers, then you'll get some of both first time for sure cause they already have been crossed together here for years. Started with a nice pair of whites and a few silver hens , made them all off them.
The silver boy looks pretty dog gone nice to me. They are usually a little thicker in the rear, but he has some great lenght for a 15 month old bantam, nice saddles, and I love his hackle. He and all my whites that arent funky one way or the other are from Toni's bantam line by the way.
Breed him to that khaki silver pullet and you'll get dun silvers. From there you can work with all 3 versions, black, dun, and khaki silvers.
Can also breed her to that gold birchen and work the dun gene into them too.
Hope that helped you a bit.