[opensuse] How to force Thunderbird to use Google Chromium as browser?

I have set /usr/bin/chromium as the default browser in Kde (4.4.4) Personal settings, and everything seems to honor that except Thunderbird, which insists on launching Firefox. What do I need to change to force TB to use my default browser.? -- To unsubscribe, e-mail: opensuse+unsubscribe@opensuse.org For additional commands, e-mail: opensuse+help@opensuse.org