iMovie HD 6: Theme drop zones play whole clip

Symptom

When using themes in iMovie HD 6, you may find that clips you have shortened play in their entirety when placed in the theme's drop zone.

To work around this behavior, export the edited clip, and reimport it into your project:

1. Select the clip you want to use in the drop zone.
2. Choose Share > QuickTime.
3. Choose Full Quality from the Compress movie for pop-up menu.
4. Select the option to "Share selected clips only."
5. Click Share
6. Name and save the file.
7. Choose File > Import.
8. Select the file you just saved.
9. Click Open.
10. Drag the newly imported clip into the desired drop zone.