You know all those annoying little thumbnail images that clog up your caches folder and really don’t do very much? They’re automatically downloaded every time you browse the Gallery. You can trash them all manually without any harm to your game or you can tell your Mac to automatically delete them as soon as they appear, like this:
Handy huh? I’ve written a guide on how to set this up on your Mac here. Why spend time doing it yourself when your Mac can happily do it all for you?