Hackourlives posted an OpenSUSE 11.2 desktop post install guide
I am assuming that you have already installed OpenSUSE 11.2 on your machine, if not then you can find the instructions for doing so here. OpenSUSE comes with quite a few essential packages already installed by default if you used the DVD installation for it, which is the recommended mode for installation.Perfect Desktop Using OpenSUSE 11.2: Post Install Guide