Can you try this version. You also need to change Thunderbird's format setting to HTML only as I haven't yet worked out Yahoo's plain text encoding
https://docs.google.com/leaf?id=0B12SpPN0s2lAMmEyZDQ5ZDYtZjFiZS00M2I2LTk1YjEtZTMwYmI4ZDM3Mjdh&hl=en_US
