Rated 5 out of 5 stars

yazan: snadge tarih: Eki. 22, 2011 ·

excellent - had issues but the owner was straight on the ball to fix it..works perfectly now in Facebook

This review is for a previous version of the add-on (1.5.4). 

yazan: David Adler (Geliştirici) tarih: Eki. 23, 2011 ·

Hi snadge, Thunbnail Zoom Plus works on Facebook profile pics and users' posted pics (though not for posted external links). If it's not working for you, please email details of the problem to me at firefox.add.on@davidadler.name; I'd like to make you happy.