Google this -> Disable Flash Hardware Acceleration.
this is weird.ON espn,and, fox special report I can't run Video.The Video screen just stays Blank.On most other sites video works fine IE:cnn,roadrunner,Si.com etc.I run firefox 3.6.18 and ie 9.It's the same on either browser

Chowhound
Comic Vine
GameFAQs
GameSpot
Giant Bomb
TechRepublic