You have two options how you can use upside down writing text in your FaceBook Status Message, one using FaceBook Application that provides backward / upsidedown / flip text features and you can also use online upside down text generator.
Using Online Upside Down Text Generator
You can googling the websites that provide online generator for upside down text / flip text. If you don’t want to googling it, just use the website below:

http://www.en.fliptext.net/
http://www.sherv.net/flip.html
http://www.upsidedowntext.com/

Open the upside down text online generator on your web browser (Mozilla Firefox, internet explorer, chrome, opera, safari or …

If you looking for an alternative IM client for Windows Live Messenger or Chat Client for MSN Messenger in the ways you wanna chat with your friends through WLM, you can try the third party chat client called as emesene
Features of emesene
Emesene compatible with Windows Live Messenger 9 or 16. You can also use webcam, use proxy, tabbed chat, offline messaging, nudges, file transfer, avatar, emoticons (customizable) and many more. Changing theme, smiley, sound, GUI are the features that you can do with emesene.
Version History emesene
The latest version of emesene …

Microsoft has decided to retired MSN / WLM Web Messenger on June 30th 2009. Therefore if you visit to webmessenger.msn.com you’ll only see a notification that Windows Live Messenger / MSN Web Messenger on the web has moved.
Windows Live Messenger on the web has moved!
Messenger is really about people – so the web version is now built into Hotmail and the rest of Windows Live. Go to http://people.live.com to see who’s online.
You can also see if your friends are online just by glancing at your inbox. You can turn e-mails …