If you dislike the default (ubuntu) look of notifications fromn the notification daemon, you might want to try out installing nodoka-notification-engine. (url)
It looks something like this:

If you dislike the default (ubuntu) look of notifications fromn the notification daemon, you might want to try out installing nodoka-notification-engine. (url)
It looks something like this:

One comment
You might also be interested in Brain Tarricone’s project xfce4-notifyd which also aims to add a bit more bling to notifications.