There is a lot to learn about sheltering, and caring for chickens. Purchasing the best stock available doesn't do much good, if they don't thrive in their environment. Losing chickens to frostbite is sad indeed, while frostbitten toes, and combs are not SOP. You need to get that under control. Flock management is another thing to study up on too. You might want to check out the posts on here, and the regular BA thread for flock management, pictures of both SOP, and non SOP birds, and the critiques that accompany them. The American Poultry Assn. sells the Standard of Perfection book, which will tell you the standards that are required.
I don't want to take your post the wrong way, so thank you for your input, but saying someone needs to learn flock management when you know nothing aside from three birds got frostbitten on a frigid cold night is a bit out of place.
I've had my own flock for 6 years, but have been involved with care and maintenance of family flocks for 30. I think I'm good.
I'm looking for critiques on the pictures posted from people who don't look at them everyday. A fresh pair of eyes seeing something for the first time notices things that some one who looks at it everyday subconsciously ignores. Looking at other birds and critiques, which I have done for months on end, will not do anything for the way I see and don't see things on my bird.
Don't take this reply the wrong way, but maybe try not to jump in and talk to someone like they bought their first chicken yesterday?