pull down to refresh
The image above shared by gmd is formatted like this:

And yields this:
https://pbs.twimg.com/media/Fh-a3qKXgAEQ-Jp?format=jpg&name=medium
You can read about all the markdown options here (this links to the part about images): https://docs.github.com/en/get-started/writing-on-github/getting-started-with-writing-and-formatting-on-github/basic-writing-and-formatting-syntax#images
So if i wanted to share a picture from my phone I'd have to upload somewhere on the web first?
Unfortunately yes. Been meaning to add native support but haven't gotten around to it yet.
Get off the internet dad!!
Well he said he needed one!
https://PostImages.org is fantastic for that.
How do I post images here on SN? I was going to post a picture of some fertiliser getting spread on my farm back in Australia yesterday. But I can't figure out how to.