have to go there (Restricted Drivers Manager) and enable the "ATI accelerated graphics driver". Ubuntu wil... you probably don't have the restricted repository enabled. See Pre-Installation.
After this, you may need... drivers]]
==== Post-Installation Tweaks ====
To enable hardware accelerated video on pre-R500 cards, edi... Visual Effects.
On newer cards the options below enables Visual Effects and video to be played without fl