Hi
If you already have a link for the image .
Next step will be Compose variable and add this as HTML
<html>
<body>
<img src="Here add the link i.e. output of the previous step" width="300" height="200">
</body>
</html>
Now use output of this compose action in email.
Let me know if you need more help. and if it works for you, kindly mark it as verified answer. 😊