If you're still not convinced, why not try extracting the sprites to a
popular 7.4 server?
You can download their client
here.
Besides their custom sprites, it will look identical to the sprite package bundled to the client on
Tibia.sx.
(I know their client isn't 7.4 but everything else emulates 7.4)
And for those curious, upon further investigation, the giant spider sprite was actually updated during the 7.5 update (when Hydras were introduced, etc.)
Red