Install Adobe Flash Player on CentOS 5.5 and Red Hat (RHEL) 5.5

Install Adobe YUM Repository RPM package

#rpm -ivh http://linuxdownload.adobe.com/adobe-release/adobe-release-i386-1.0-1.noarch.rpm
#rpm --import /etc/pki/rpm-gpg/RPM-GPG-KEY-adobe-linux
#yum check-update

CentOS and Red Hat 32-bit version (i386)

#yum install flash-plugin nspluginwrapper curl