TOS remastered update

Already aired in the US, the most recently remastered TOS episodes had some showy new effects which TrekMovie.com showed off. From "The Way to Eden" we have a new starship Aurora, replacing the reused Tholian ship from the original version (see the original article for comparison):

And from "Requiem for Methuselah", Flint gets a new castle to replace the reused castle matte from "The Cage" (comparison here):