Next choose the Label option and enter in the Name Field #p. This will specify this frame as printable. Frames lacking this label will now be passed over when the print command is envoked.
Now repeat these steps to all frames you wish to be printable.
After you have completed this, run you movie, right click on the movie and choose Print in the Flash Player context menu to print all the frames labeled in the main timeline. Try it out on my ultra-tacky demo presentation below.