You can VERY easily copy and paste images into threads. Find the image you want, right click > copy image (not copy link) > paste into thread. You can then adjust the size right from the post itself as well.
follow_along_with_video_below_to_see_how_to_install_our_site_as_web_app
Note: this_feature_currently_requires_accessing_site_using_safari
I mean it says it right in the first post [emoji1787]
At least it happened the one time I triedYa? I haven't tried yet.