according to the FAQ (http://picasa.google.com/linux/faq.html#24):

Q: Will more Google applications be ported to Linux under Wine?
If Picasa for Linux is successful, then other Google applications (and future versions of Picasa) may also be written to the Wine APIs so that they can easily run on both Windows and Linux. For more info on Wine, please visit http://winehq.org./

In Soviet Norway, DVD reverse engineers YOU! What? Oh crap...yeah yeah...okay they're not soviets. Sorry. The joke is over now. I need to get back to work... (should really learn more geography...)