To control how the results of the form will appear, first click on the "E-mails" tab on the Webform screen.
You now have the option to edit the e-mail settings for the e-mails that are sent out after a Webform is created.
To create a new E-mail template, click on the word "Edit" in the Operations column of the E-mail that you want to change. Once the page has finished loading, you should see the Edit E-mail Settings screen. Scroll down the page until you see the "E-mail template" fieldset, shown below.
In this area, you can create the e-mail that will be sent out after the form is submitted.