We.nete to the Achievement Generator. Enter some text, choose an emblem, and click the 'Go' button. An achievement will be generated for you. Collect 'em, trade 'em, put 'em on your website, or e-mail 'em to your friends.
(Note: do not link directly to the image generated on this site - it won't work. You are free to download the image, copy it, put it on your own website, or distribute it however you like. If you don't have a website to store it on, there are plenty of free image hosting sites available.)
Disclaimer: This website is a parody. "Steam" is a registered trademark of Valve Corporation. Valve does not sponsor or endorse, and is not affilated with, this website.