I found the following site recommended on the Jessica Sprague Stories in Hand forum.  It's for making a computer font out of your own handwriting.  It works on both PC and Mac and is a great idea for personalizing your scrapbook pages or doing anything else where you'd like to use your own handwriting.

The site is called http://www.yourfonts.com/.  You simply print a template, write each letter, scan and upload.  Your font will then be generated and you can download a TTF version.

Here's my first attempt: