A user of EFDC_Explorer has posted some interesting animations on his youtube channel. jiwhaja1 has three animations of tidal flow in Gwangyang Bay in South Korea, for the purpose of comparing simulation result between similar hydrodynamic codes. You can see the animations at the following links:
EFDC_Explorer:
http://www.youtube.com/watch?v=0RO9Y3kpMYw
DELFT3D:
http://www.youtube.com/watch?v=GdjzidOQeck
MIKE21:
http://www.youtube.com/watch?v=3jC4AZOCBlg