After you've loaded up your shopping cart, you can click 'checkout' to pay for your photos.
You will be redirected to paypal, where you can choose to log in with a paypal account, OR you can pay by credit card.
Within 24 hours after paying for your photos, you will receive an e-mail with the full-size, original photos attached.
If you wish to alter the photos for printing, there are several free online image editing programs where you can edit your photo directly in the web browser.
Try www.picnik.com!