Ariminium, you have no idea about what you're talking and also you should have problems in your eyes.
All the dogs you posted have the typical marks expected of a CzW, different of the only dark coated de la louve blanche dogs.
The Shepherd like dog by Les Plaines de L'est is a linebreeding done in very shepherd like Czech dog, it is atypical animal but yet with features you could expect to pop in the breed.