Rated 4 out of 5 stars

very good, however unlike hoverzoom, i cant seem to find a way to scroll through picture albums on reddit. on hoverzoom once highlighting a link, i could scroll with my arrow keys or my mouse wheel. cant do that on this app it seems like

This review is for a previous version of the add-on (2.7.1-signed). 

If you install the beta version (3.0beta4 or newer) you can use left/right arrows on imgur galleries (eg from reddit.com). https://addons.mozilla.org/firefox/addon/thumbnail-zoom-plus/versions/