Q - Those look great. I don't think you need to pack them any tighter that that second fly - it looks pefect. They all get water logged sooner or later so you just have to rotate them and let them dry on the vest.
Leave a nice collar of flared deer hair just before the tail and you wont have to worry about snipping the feathers. Creates an even greater disturbance in the water too.
You might want to experiment with some slightly racier colors, however :hehe: