Rated 5 out of 5 stars

Thank you marioalv for this great litle tool :-)
Works fine with Firefox 5 if you edit the file "instal.rdf" into the xpi archive and change the maxVersion like this:
<em:maxVersion>5.0</em:maxVersion>

This review is for a previous version of the add-on (1.2.1.1-signed.1-signed).  This user has other reviews of this add-on.