Rated 5 out of 5 stars

bởi j917863 vào Tháng 11. 13, 2018 · liên kết thường trực

The perfect Add-On, thanks a lot to authors!

To make it work with Thunderbird 60.x:
- download slideshow-1.4.8-tb.xpi
- rename to .zip (or open with 7zip)
- edit install.rdf with some editor
- set em:maxVersion from 49 to e.g. 61
- replace install.rdf in .zip
- rename back to .xpi
- install via Extras > Add-ons > Install from file
- be happy :-)