Screenshots

Here's what the GTK editor looks like:

Here is an example of what you get in your inbox for an upcoming birthday:

From: Email-Reminder
Date: Tue, 12 May 2007 04:00:22 -0400 (EDT)
To: Francois Marier 
Subject: Trent Reznor's birthday

Hi Francois,

I just want to remind you that Trent Reznor is
turning 42 in 5 days.

You can reach Trent Reznor at trent@example.com.

Have a good day!

--
Sent by Email-Reminder

And here is one on the day of an anniversary:

From: Email-Reminder
Date: Tue, 29 Jul 1996 04:00:11 -0400 (EDT)
To: Francois Marier 
Subject: 15th anniversary of Prince Charles and Lady Diana

Hi Francois,

I just want to remind you that the 15th anniversary
(Crystal) of Prince Charles and Lady Diana is today.

Have a good day!

--
Sent by Email-Reminder