Yeah copying from that file doesn't work. Maybe the source have to be in compatible format (jpg/gif/png)? Try finding a pic on the web, in firefox go to the image and use "Copy Image" from the context menu, then paste in thunderbird. That's what i tested.
Yeah copying from that file doesn't work. Maybe the source have to be in compatible format (jpg/gif/png)? Try finding a pic on the web, in firefox go to the image and use "Copy Image" from the context menu, then paste in thunderbird. That's what i tested.