feather patterns

[Mudsow]

Is there any site where they explain the feather patterns? Penciling, barred, etc. WITH PICTURES?
I read the different explainations, but trying to see what is a good barred pattern vs a bad barred pattern has me lost.

 

[buffbeauty]

Dont know if its any help but here are some patterns of feathers on this page
https://www.backyardchickens.com/forum/viewtopic.php?id=343605