I have verified this behaviour 3 times and I could reproduce it every time.
This is what I do (Blog's default language is German. The other is English):

Create a new entry. Insert some text in title and body and save as a draft.
Switch language to English. The German text is displayed in the ...

I have the problem that I can't enter something into the box when creating a new entry. After your request for details I just tried out some things and now it works. If I can't enter any characters I first have to click on the "body" tag in the path-bar at the bottom of the box. The Pictures are ...

Hi!

In fact the internal WYSIWYG editor DOES use the s9y mediadatabase. You just need to click on the image with the dots in it that's labelled "Media database". NOT the "insert picture" button.
The internal WYSIWYG is not properly working with my Firefox 2.0.0.3 so I turned it off very quickly ...

Hi s9y-crew and users,

first I have to say thanks for the good piece of software you are creating. I have recently started my own blog with s9y (1.1.2) and multilingual-plugin.

I now have a problem with the various WYSIWYG editors (incl. the build in one). They all aren't using the media database ...