We have released an update for the add-on, which adds new features you have requested and fixes some problems. Thank you for all the feedback!
Here are the notable changes compared to WOT 20070226:
New feature: adds confidence indicators to the embedded link information popup:
New feature: due to popular request, adds an option highlight link backgrounds.
Bug fix: fixes the testimony window for certain themes with lighter font colors.
Bug fix: fixes a handful of other minor problems.
Version 20070329 is now available for download from our website.
(Visit Mozilla Add-ons for previous versions and a more detailed version history of the WOT add-on.)