Gravity Forms to Author Template Page?

I'm using Author Template pages created by an author.php file on my multi-author blog, as described in the Wordpress Codex at http://codex.wordpress.org/Author_Templates. However, because many of my authors want nicely formatted pages, I do it for them using html and inline css. This can be time consuming. I'd like to set up a Gravity form that they could use to create their own formatted author page and upload images. Any idea as to how I would connect the Gravity form to create the author page that could be accessed in the same way as current author page?

Thanks for the quick response. I'm adding the html and inline css, including resident image URLs, on each individual author's profile in the wp filed for that purpose on their profile page. Since by default, WP strips html from that field, I use a plugin that stops the html stripping. I use the author.php file coded exactly as in the example in the wp codex linked to above. Each author's bio page is at domain/author/johnsmith. I'd like to make it so that the author's can create their own formatted and rich text author/bio pages, with images. I understand that the formatting will be more or less uniform. Would this require some sort of hook in the author.php file that would call up the fields on the gravity form completed by the author? I can send you the website URL but would rather do that via a PM or email.