problem with heroes 5

[ncamaa]

greetings.
first of all, im a mac user, playing cider-based heroes 5.
i strated the first campaign, and im having problems to finish
the last level of this campaign, because there's a bug in the
image of the treasure map. even after i visited all the
obelisks, i still cant see anything. so... i thought to my self
to download a saved game and skip that level, but i don't know
how/where to place the saved game files so i can load it
from the game.
if anybody knows where shall i place the files so i'll be able
to load them... plz help me