I would like to be able to create a form that sent the information to a given e-mail address after a user submitted it. How would I go about doing this? Do you just change the action field to "mailto:firstname.lastname@example.org" or something like that? Also, could someone refer me to a good tutorial on making basic forms?
You should use a server-side language to do this.
Which tutorial you need would depend on what server-side languages your server supports.
If you're curious about what's wrong with mailto:, I recommend you read this article.
As Kravvitz says it's always best to use a FormMail of some type to process your form. A couple of suggestions here:
Check with your host, they probably offer such a script for your use...
This is a nice site for styling forms: