Solved: Amazon Instant Video won't play on Firefox on Ubuntu 12.10

http://helpx.adobe.com/x-productkb/multi/flash-player-11-problems-playing.html

To summarize:

1. Install hal
2. Remove directories from ~/.adobe/Flash_Player
3. Restart Firefox and watch a video

Reset about:config settings in firefox

http://browserland.com/featured/restore-firefox-default-settings-without-uninstalling-it/

Changing Mozilla profile location

My C:/ drive was running out of space so I wanted to relocate my local Thunderbird messages to D:/.  Almost as simple as copy/paste:
http://kb.mozillazine.org/Thunderbird_:_FAQs_:_Changing_Profile_Folder_Location