grantmx,
This is done by creating a new Notification Template in the Freeform CP:
CP Home › Modules › Freeform › Manage Templates
Then click the big green button at the top right that says “Create New Template”
Fill out the form accordingly. You can use any of the custom Freeform fields you’ve created (or the ones already there by default).
Next, you’ll need to specify that notification template you’ve just created, in the Freeform:Form loop in your EE template:
{exp:freeform:form form_name="whatever_you_want" required="name|email|phone" notify="name@address.com" template="contact_form"}
Where you see template=”contact_form”
contact_form is where you’d specify the “short_name” of the Template you created
If you’re still having trouble, check out this nice little tutorial:
http://www.solspace.com/forums/viewthread/996/#4735