Websites
This biography and links to his work is a good place to get started.
This site presents a decidedly literary biography of Coleridge, as well as other links to his work and to criticism.
Video
This is a BBC documentary on the literary group that Coleridge helped to found.
What does dejection look like to you? Is it a plastic animated flower on a windowsill, with a few dead bugs thrown in for good measure? Well, it is to whoever shot this video.
Audio
Here's a YouTube reader offering up his best take.
Here's a second reading of the poem, recorded for the audio service Librivox.
Images
Here he is, rocking an unbeatable scarf-ascot-necktie thingy.
Here he is with the same wild kind of necktie, but with added sideburns.
Articles and Interviews
Instead of just writing "why not?", critic Kenneth Burke gives us a far more detailed explanation of Coleridge's contributions to literature.
Books
Here's every poem, collected in convenient book form.