//////////

    //

    // create a key frame sample containing the sprites and all of their shared images

    //

    //////////

    // create a new, empty key frame sample

    myErr = QTNewAtomContainer(&mySample);

    if (myErr != noErr)

        goto bail;

    // specify transparency color for recompression

    myKeyColor.red = myKeyColor.green = myKeyColor.blue = 0xffff;       // white

    // add images to the key frame sample - AddPICTImageToKeyFrameSample

    // will add the following atom data to the key frame atom container:

    //

    // kSpriteShareDataAtomType

    // kSpriteImagesContainerAtomType

    // kSpriteImageAtomType

    // kSpriteImageDataAtomType

    //

    // and optionally:

    //

    // kSpriteImageRegistrationAtomType

    // kSpriteImageNameAtomType

    AddPICTImageToKeyFrameSample(mySample, kIconPictID, &myKeyColor, kIconImageIndex, NULL, NULL);

    AddPICTImageToKeyFrameSample(mySample, kWorldPictID, &myKeyColor, kWorldImageIndex, NULL, NULL);

    AddPICTImageToKeyFrameSample(mySample, kBackgroundPictID, &myKeyColor, kBackgroundImageIndex, NULL, NULL);

    for (myIndex = 1; myIndex <= kNumSpaceShipImages; myIndex++)

        AddPICTImageToKeyFrameSample(mySample, kFirstSpaceShipPictID + myIndex - 1, &myKeyColor, myIndex + 3, NULL, NULL);