Works after Installing FC4 
iDog
 Small Tools 
-  Install numlockx, so when the machine starts, Num Lock is turned on.
 
yum -y install numlockx
yum -y install yumex
-  Make Nautilus show 'my home' etc. better: choose Edit | Preferences | Behavior tab, check 'Always open in browser windows'.
 
 Sun JDK 
Take jdk 1.5.0_06 as an example:
-  download JDK for Linux from Sun's web site: http://java.sun.com
 -  install it, it will be installed to /usr/java/jdk1.5.0_06
 -  make a soft link for convenience:
 
cd /usr
ln -s java/jdk1.5.0_06 jdk
-  make it available for firefox and mozilla
 
ln -s /usr/jdk/jre/plugin/i386/ns7/libjavaplugin_oji.so /usr/lib/mozilla/plugins/
ln -s /usr/jdk/jre/plugin/i386/ns7/libjavaplugin_oji.so /opt/firefox/plugins/
 Realplayer 
-  install compat-libstdc++-33
 
yum -y install compat-libstdc++-33
 MPlayer 
mkdir /usr/local/lib/codecs/
mkdir /usr/lib/win32/
# extract files from all-*.tar.bz2, copy to both of above dirs, and chmod to 755
yum -y install mplayer mplayer-skins mplayer-fonts
-  configure mplayer: add following lines in ~/.mplayer/config:
 
vo=xv
ao=alsa
 MP3 plugins 
yum -y install xmms-mp3 gstreamer-plugins-mp3 libmad libid3tag