If you take the TC message at face value, you should "just search for encrypt and use whatever pops up" on Linux, and use these settings for encryption on OS X: http://truecrypt.sourceforge.net/OSXNewImage.png
Needless to say, I think you can take their cryptic recommendations with a huge grain of salt.
Needless to say, I think you can take their cryptic recommendations with a huge grain of salt.