Public Preview (on https://wave.google.com/wave/):
a) as wave preview user you can add the robot embeddy ( This e-mail address is being protected from spambots. You need JavaScript enabled to view it ) to your wave, it will generate (a not yet functioning iframe) to embed the wave, but in there you see the waveID which looks similar to googlewave.com!w+lFulCEl8A
c) copy the id from your browsers address bar. (attention: special characters are encoded, you will have to decode them using e.g. http://meyerweb.com/eric/tools/dencoder/
Copy the wave id of the browser url: e.g. "googlewave.com!w%252BlFulCEl8A" into that online decoder, hit [Decode] twice and you will get the right wave id "googlewave.com!w+lFulCEl8A"
Sandbox Developer (on http://wave.google.com/a/wavesandbox.com/ )
a) if you have a sandbox developer account simply get the waveID by klicking on "Debug" -> "Get current Wave ID"
