Pretty sure that was very quickly patched, like before the game's popularity took off. It was gone before I ever got the game, at least.
All you really need though are Checkered Wallpapers/Floors inside vending machines.
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The Temple of Kraden, a forum for fans of Golden Sun:
http://z9.invisionfree.com/The_Temple_of_Kraden/index.php?act=site