Rated 5 out of 5 stars

Get a version working in Firefox 4 here: http://forum.mozilla-russia.org/viewtopic.php?id=57

This review is for a previous version of the add-on (1.4.0). 

Update is ready

See updated version v4 compatible in https://addons.mozilla.org/fr/firefox/addon/extended-link-propertie-124503/versions/