For those wishing to use software to download images from galleries.
You can use ImageHost Grabber.
Current Version: 1.7.0.4a
Current hostf.xml: 4/17/17
Support site and downloads are at:
https://imagehostgrabber.com
In regards to FF V > 45, please note Mozilla is forcing changes on extensions!
IHG WILL WORK ON > V45 please see our forum for a quick edit of some settings to activate IHG!
For V56+ Mozilla will NO LONGER ALLOW EXTENSIONS! Only their new "web extensions."
In that case you can use V55, or use alternatives such as PaleMoon, cyberfox, pcxfox, SeaMonkey, TorBrowser etc.. See list of supported browsers at our forum.