Thanks for your help. I followed your instructions, but I think Tasker has a bug with regards to the sound. No matter how many times I choose for the sound to be of type Notification, set the sound, and set the Stream as Notification, it reverts to type Alarm, erases the sound I entered, and sets the Stream back to Alarm. It keeps my settings until the notification happens (and the profile becomes active) and then it reverts back to the defaults. Also, the alarm sound (which is incredibly annoying, IMHO) will not stop playing no matter what I do (press buttons, clear notifications, turn the volume down, etc..) and the only way to get it to stop is to restart the phone.
Is there a workaround for this?