Steam Trek is a 1994 Star Trek fan video that recasts the voyages of the Enterprise as a late Victorian silent "moving picture" with great, Voyage to the Moon-style graphics and hilarious slates for dialog.
(Thanks, Danny and everyone else who suggested this story!)
See also:
Steampunk turntable
Steampunk mouse
Steampunk guitar
Spring-loaded steampunk spex
Steampunk magazine
Steampunk Star Wars
Steampunk watch
Beautiful steampunk laptop
HOWTO make a steampunk keyboard
HOWTO make etched brass steampunk journals
HOWTO make a steampunk spinning-wheel
Steampunk walking robot
Steampunk cartoon from SciFi channel: Amazing Screw-On Head
Homebrew mechanical steampunk lion from Belgium
Steampunk robotics
Steampunk weekly serial – handsome editions
Ukrainian steampunk plane
Steampunk casemod with a "furnace"
Steampunk submarine free paper toy
Steampunk/dead media photoshopping contest
Brighton's steampunk rolling sea-platform
Steampunk Slashdot