I’ve just discovered that you can add captions to youtube videos. I have just added English and Spanish captions to the video that represents the main functionality of Rescatux.
It explains step by step what you should be doing in each one of them and also clarify some doubts that I have found in the users coming to the chat.
If you want to help translating into your own language please ask for more information at the Super Grub Disk mailing list.