If you want to add a picture to your registration form, click on Upp, Title or Low of the label, depending on where you want to place the picture.
The editor opens, where you can insert the picture by clicking the image icon.
A pop-up screen will appear where you can upload the picture. Click on 'Add Image' --> 'Select Image'.
Finally, click the 'Save' button in the editor.
Now your image is added to the webpage.