Fedora 9: installing flash-plugin and fixing sound in flash

From http://hacktux.com/fedora/9/flash:

Fedora 9 features the Open Source Flash player, Swfdec. You can install the Swfdec plugin for Firefox using Yum.
sudo yum install swfdec-mozilla

Fedora 9 also provides Gnash.
sudo yum install gnash-plugin

Install Adobe Flash Using Yum

Alternatively, you can use Adobe's Flash plugin. To install the Adobe Flash plugin on Fedora 9 visit http://www.adobe.com/products/flashplayer/ and click Download Now. Then select YUM for Linux and download the provided RPM (adobe-release-i386-1.0-1.noarch.rpm).

Install the downloaded RPM which installs /etc/yum.repos.d/adobe-linux-i386.repo.
sudo rpm -i adobe-release-i386-1.0-1.noarch.rpm

Check that you can access the Adobe Yum repository.
yum --disablerepo=* --enablerepo=adobe* list

Next, remove the Fedora Swfdec and Gnash plugin to avoid conflicts.
sudo yum remove swfdec-mozilla gnash-plugin

Now, install the Adobe Flash Plugin
sudo yum install flash-plugin

Finally, add the Adobe plugin is in your $HOME/.mozilla/plugins folder.
mkdir -p $HOME/.mozilla/plugins
cd $HOME/.mozilla/plugins
ln -s /usr/lib/flash-plugin/libflashplayer.so .

Fixing sound:
bash# yum install libflashsupport