Command line installation
Instead of using the 1-click you can install the codecs using a root terminal instead. Simply copy/paste the commands.
Add the required software repositories:
zypper addrepo -f http://packman.inode.at/suse/11.3 ← packman
zypper addrepo -f http://www.opensuse-guide.org/repo/11.3 ← libdvdcss
Install the packages:
zypper install ffmpeg flash-player libdvdcss libxine1-codecs w32codec-all k3b-codecs lame