Well, I'm talking specifically about the dust the ship blows. It dissappears too abruptly.
We have seen longer swirl effects in Corinth River (If I remember the name correctly). I don't know how well made the animated GIF is. It basically chopped the actual video into spaced out frames. So I don't think you want to judge the duration or subtlety based on it... unless you intend to play in the animated GIF ^_^
[size=-2]Animated GIF creator may optimize for space instead of accuracy[/size]