Also I suppose it is possible that Gnash or some other flash plugin has the feature of using the proxy settings of the browser, I am not sure which if any do. I just know that flash not respecting browser proxy settings was such a widespread problem at one point that Tor Project officially said that it is not secure to use Flash plugins with browsers configured to use Tor, unless transparent proxying or similar techniques are used to ensure it doesn't by pass Tor. I have also heard them say that even with such configurations, it is best practice to avoid using flash plugins anyway, as they are likely to be insecure in other ways as well.