How to add an image or logo to your form
To add an external image to your form, just follow the steps below:
1) Get the link of the image host location (e.g.,
https://imgbb.com)
2) In the left sidebar, add the URL in the corresponding field, as shown below:

Note that the image link must contain an accepted extension (PNG or JPG) as shown in the image. You can also specify the height and width in pixels in the fields below.