Simple Search-For Extension integration with ThunderBrowse
Another extension for Thunderbird which compliments ThunderBrowse is the Simple Search-For Extension. This extension allows you to select some text and then be able to search for it in the search engine of your choosing.
I have yet to try it out yet, but it seems pretty cool.
The AMO Link is here (it’s in the sandbox):
https://addons.mozilla.org/en-US/thunderbird/addon/5467
and the homepage is here: