Cupid and Psyche
Cupid and Psyche Resources
A great source for all things related to Greco-Roman mythology.
Here's a link to the first version of the myth that was written down.
A very short silent film made waaaaaay back in the day in the studios of Thomas Edison. Prepare yourself; it's a bit weird.
Here's an audio theatre version of the story, with a full cast.
A modern retelling of the story.