Since I helped Mandriva to do their packages for Firebird, I jumped and with Michal, we made things happen
Users of Opensuse 10.0,10.1,10.3 and future 11.0 but also SLE 10 can now just use the server:database repository  and get Firebird 2.0.4
As soon as the Firebird Project will publish Firebird 2.1.1, packages will be there too.
FlameRobin 0.9.0 released
23.09.2008 – A new release is out. It brings new features like Firebird 2.1 support, tabbed browsing, etc. Windows, Linux and Mac OS X binaries and source code package are available for download. Here are the details.