bash$ sudo apt-get install festival
If you get this error "Linux: can't open /dev/dsp" edit the ~/festivalrc file
bash$ vi ~/festivalrc
(Parameter.set 'Audio_Command "aplay -q -c 1 -t raw -f s16 -r $SR $FILE")
(Parameter.set 'Audio_Method 'Audio_Command)
Press Alt+F2 and type in “free the fish”. This will cause a fish you swim across the desktop over and over again. You will have to do it again after every reboot, though.