firefox displaying .swf with wrong dimensions

Question

I can't figure this one out.

I have a flex app with fixed dimensions (950 x 700). I'm compiling the swf and using the default wrapper that flex generates.

1. in some instances of Firefox, the dimensions are wrong.
2. On top of that, with different domains, I get the .swf rendered with different dimensions (both wrong).
3. Firefox 3.6.3 on one computer works fine. On another, the dimensions are off.

Swf example

and if you don't see a clipped swf...here are the screenshots.

Rendered incorrectly on one domain

And rendered in another domain with different bad dimensions.

I'm at a total loss. When I embed the .swf with swfobject, I get the same issue. In the example you see, there's nothing in the app except for a single label centered on the stage.