Headings
In the Form Builder, to add section headings to your form, click Add Content → Text and Image → Heading.
Paragraph Text
To add text to your form, click Add Content → Text and Image → Text.
More on editing the text elements.
Images
To add images to your form, click Add Content → Text and Image → Image. The current size limit for images is 500kb.
Resizing Images
Images can be resized during placement or after by clicking on Image from the toolbar.