Thank you for your rapid response.

I set the Large Screen Mode but now only thumbnails are displayed. The link to the full image is not working on small screens on mobile only.

http://lynnjaye.com/?q=node/135

enableLooping="true"
    galleryTitleHAlign="CENTER"
    backgroundColor="rgba(249,237,222,1)"
    showOpenButton="true"
    useFullscreenExpand="true"
    showThumbsButton="true"
    imageTransitionType="CROSS_FADE"
    imageScaleMode="SCALE_DOWN"
    captionPosition="OVERLAY_IMAGE"
    enableAutoPlay="true"
    autoPlayOnLoad="true"
    showAutoPlayButton="true"
    buttonBarHAlign="CENTER"
    indexPageName="coastlines.html"
    imageVAlign="TOP"
    thumbsVAlign="TOP"
    thumbsPosition="TOP"
    screenMode="LARGE"
    languageList="Show Thumbnails|Hide Thumbnails|Expand Gallery|Close Gallery|Open Image in New Window|Images|Next Image|Previous Image|Play Audio|Pause Audio|Show Information|Hide Information|Start AutoPlay|Stop AutoPlay|AutoPlay ON|AutoPlay OFF|Go Back|Detailed Information and Pricing|Share on Facebook|Share on Twitter|Share on Google+|Share on Pinterest|Share on Tumblr|of"