Here’s a quick way for anyone looking to save a number of stills from a Final Cut Pro project:

1. Create a new sequence at the desired resolution and open it in the timeline
2. For each still you want to output:
   1. Open the clip or sequence in the viewer
   2. Cue to the frame to export
   3. Mark in/out (type “IO”) on the frame
   4. Cut it into the timeline (press F9)
3. Select all the clips in the timeline
4. Add a “de-interlace” filter to them
5. From the File menu, choose “Export > Using QuickTime Conversion”
6. Change the format to “Image sequence”
7. Click options
8. Choose the desired file format
9. Make sure the frame rate matches the frame rate of the sequence
10. Click ok

Strange that there isn’t really a more convenient way, but there you go.

(For more tips and tricks, see my book Fix It In Post)