Images
Add images to Markdown
Image Syntax
To add an image, add an exclamation mark !
followed by the image URL, and add the alternative text for the image in square brackets.
Markdown syntax for inserting images: 
Corresponding HTML code: <img src="image link" alt="image alt" title="image title" />

Rendered output:
Images with Links
To add a link, wrap the replacement text in square brackets with parentheses, followed by the link.
[](https://photock.jp)
Rendered output:
This image was found on Photock.