FF4 Version Workaround Rated 5 out of 5 stars

Thank you pfeerick86 for the info on how to get around the version-restriction. See his review below or go to https://addons.mozilla.org/en-US/firefox/addon/english-australian-dictionary/reviews/231831/

This review is for a previous version of the add-on (2.1.1).  This user has a previous review of this add-on.