Next version 2.0.7 will fix this.

(https://addons.mozilla.org/user-media/previews/thumbs/283/283709.jpg?modified=1686533813) Did you open this setting manually?

(https://addons.mozilla.org/user-media/previews/thumbs/283/283709.jpg?modified=1686533813) Did you open this setting manually on Firefox?

Sorry, but it works well on my side. Did you give the addon permission as I showed in the screenshots? If it doesn't work in some specific media, you can give me the link and I will try to fix it.

I don't know why. But it works well as expected in my place. Posts and videos, all can be downloaded.

Update in 7/8/2023: It seems to be my fault. I only test the new-tab button but no download button. I have uploaded a new version 1.2.7. I hope it works for you.