Based on what you are describing it seems that you may have followed one of the guides that has you use a loop to display the elements in the body of the message. Instead of doing it this way you can just use the edit with DW button in the body tab of the Universal Email interface and use the bindings to drag and drop the form elements value ino the message. This way you control the content of the message and will have only what you specify.
In order for the image to show in the email you will need to set the source to be an absolute web url for that image.
