I can confirm Nicolas problem:
on my Dell Vostro 1500, i did a
ln -s /usr/share/notify_osd /usr/share/notify-osd
and now the volume notification shows up, but I still can't see the brightness one :(
Also, I could see some of the notifications (such as the "Connected to MyWirelessNetwork" one) before doing it =S
I can confirm Nicolas problem: notify_ osd /usr/share/ notify- osd
on my Dell Vostro 1500, i did a
ln -s /usr/share/
and now the volume notification shows up, but I still can't see the brightness one :(
Also, I could see some of the notifications (such as the "Connected to MyWirelessNetwork" one) before doing it =S