Full screen on youtube.com stopped working with Firefox 2.0.0.14 on gutsy, but a reinstall of flashplugin-nonfree 9.0.124.0ubuntu1~gutsy1 with synaptic did repair it for me.
Full screen on youtube.com stopped working with Firefox 2.0.0.14 on gutsy, but a reinstall of flashplugin-nonfree 9.0.124. 0ubuntu1~ gutsy1 with synaptic did repair it for me.