Most useful extension for wide screens Rated 5 out of 5 stars

This is my most favorite extension for FF. I'm using FF with two displays (16:9 and 4:3) and for different FF windows it has different configuration. This is great!

This review is for a previous version of the add-on (0.14.2012122901.1-signed).  This user has a previous review of this add-on.