The first part is the easiest. Simply take a normal photograph and get the prints developed. Now find a scanner. A scanner is a device that looks like the top part of a copier. It's attached to a computer and allows you to copy your images to a form that computers can understand.
Scanners have many uses, from sending pictures via e-mail to assisting in creating a great website.
If you'll only be doing some limited scanning, borrow a friend's. Find out how on Friday. My site of the night is a great site for parents and kids alike. The Family Channel has created one of the most informative, fun websites I've seen in a long time. Travel with them in their Winnebago as they trek across the country in search of the wacky and offbeat side of life.