Gist: How are images uploaded to a gist?

Question

Here is the image file: https://gist.github.com/mbostock/5503544#file-thumbnail-png

I tried to drag-and-drop the image file in the edit mode of a gist. That didn\'t

Answer 1

How to put images in your Gist url:

1. upload your image to a place like imgur.com for free, then get the hot-link.
2. Add a file and give it a markdown extension .md and use markdown image syntax:

![alt text here](https://URL)

3. ?????
4. Profit