The jackets in the photographs that you have linked to look, to me, like orphan jackets from a suit. They do not look like a conventional blazer. Sadly, the distinction between blazer and odd jacket is now being lost.
Odd jackets and blazers are both fine, in the right circumstances, but I think there needs to be a good degree of contrast between jacket and trousers.
As I'm located on the east side of the Atlantic, I'm afraid that I...