|User since||March 5, 2007|
|Number of add-ons developed||0 add-ons|
|Average rating of developer's add-ons||Not yet rated|
Works on FF 3.5.7 Rated 5 out of 5 stars
Do what Jasherwoo said first
you change the max ver value to 3.5+ in two places.
then in install.rdf
also change the http to https like aplha said.