Rated 5 out of 5 stars
have got this working firefox12 but ONLY with all-in-one sidebar bookmarks(new ones ok previous need refresh-I opened dozens at a time ok).if use avg antivirus ensure plugin container is Not removed. Back up firefox. First download &amp; save .xpi file to a folder from http://bookmarkpreviews.mozdev.org/installation.html then in about:config create new boolean extensions.checkcompatibility.12.0 &amp; set to false(see example:http://www.ghacks.net/2011/11/12/firefox-10-aurora-released-how-to-force-add-on-compatibility/ Then carry out edit of .xpi(see:http://www.techsupportalert.com/content/how-update-firefox-thunderbird-addons-n. I used *.* This method could work with other firefox builds(?) to my previous entry last step is to add edited .xpi to firefox via "install addon from file" the .xpi file can be also found at:http://bookmark-previews.en.softonic.com/This user has other reviews of this add-on.