Just open Snapchat on your mobile device and take a picture of the Snapcode. Make sure your cursor or anything else on your screen is not on the picture of the Snapcode or it might not work.
If you are on a mobile device viewing this page just take a screenshot of the snapcode above. Go into your Snapchat app and go to your settings on your profile page. Find the Snapcodes section and click the "Scan from Camera Roll" options. Select the screenshot and your done!