How To set up the RPMFusion repositories in Fedora:
Open a terminal and Type the following
$sudo rpm -ivh http://download1.rpmfusion.org/free/fedora/rpmfusion-free-release-stable.noarch.rpm
$ sudo rpm -ivh http://download1.rpmfusion.org/nonfree/fedora/rpmfusion-nonfree-release-stable.noarch.rpm
After adding this repositories you can Install Multimedia Applications