OK, I'll take the heat on this number thing.
I don't want to come off like a prima donna because I'm not one, but I couldn't do more than 6 married wing Salmon flies; I just don't have the time. If you can stay with 4-6 then I'll join in. If you want more, then I'll understand. No hard feelings either way from my side.
Now, if you want to open it up a little to slip wing Salmon flies or to whole wing Salmon flies; not restricted to married wings, then I'm fine all the way up to a dozen, or more. Here are some past examples of whole wing flies taken from the Salmon Fly Tie-Along: