BBC
Bbc: History: Animated Map: Operation Overlord
A nicely done Flash animation using a map of Normandy and the beaches where the D-Day invasion took place. You can trace the movement of the Allied armies into Normandy and there is a timeline showing when and what happened. Archived.
War Times Journal
War Times Journal: The Normandy Landings: D Day: June 6, 1944
A map that provides an animated view of the invasion of Normandy, June 6, 1944, by the Allied Forces.
Other
France Way: D Day
This site presents a very basic overview of the long-planned invasion of German-occupied France, known as operation Overlord.