How to add text and images to a dashboard?

Yes, of course! To do this, you can use a “Comments” widget from the static widgets dropdown menu. You can add it to any of your reports.

 

comments

 

You can do pretty much whatever you want in this comment box, be it adding text of images.

Look the animated GIF below (http://g.recordit.co/2tiWhumXO6.gif)