Not Sea World, but here's a collection of photos and videos I took at the Mystic Aquarium in Connecticut.
Belugas, sea lions, African penguins, and more.
Pictures:
http://www.megaupload.com/?d=NVXLCADX (935 1200x900 JPGs)
Videos:
http://www.megaupload.com/?d=410CPIPS (AVI 640x360 30fps 768kbps; about 30mins of footage)