– First upload your image (png, jpg or gif file) to your own website so that it will have a public URL.
– At the Invoice or Document list click [Options & Layouts] | Email page. Click [Format/ Links] button. Then check Show HTML Source” check box and click on the HTML page.
– Add your image as HTML Code. For example if your image URL is http://ezyinvoice.com/images/ezyinvoice_logo.png, your HTML code will be :
<img src=”http://ezyinvoice.com/images/ezyinvoice_logo.png” alt=”” />
– Click on the Message page to see that the image is placed on the correct location then save your edits.