I did the following and it worked for me:
# yum install nspluginwrapper.{i386,x86_64} pulseaudio-libs.i386 libflashsupport.i386 # yum install flash-plugin
Thanks. Confirmed that this works for me.
Tested via wife watching all the crazy stepup2 videos on youtube*. She thanks you personally.
;)
-benjamin
* http://www.youtube.com/watch?v=8a-FBSEFqcM&feature=related