Video Effects
By: Mike Paladino - Revised: 2006-06-27 devinSelect the Effects pane. Select a clip or portion of a clip. Change the settings for effect, and then click "Preview" to see, then "Apply" to add to the movie.
Adding the Rain effect will make it look like it is still snowing
To delete an effect, select the clip and choose "Advanced" -> "Restore Clip".
Restore Clip
You cannot delete effects if you save or empty the iMovie trash.