image gallery comment is a WordPress Plugin that will working with media image with ajax comment of each image.
Q. I can't Showing the gallery on Front end.
A. Create One page[gallery],[gallery_comment id="30"] put the content on description field.30 is the page id.means all image attachment of this page id will show on this gallery.
Q. Can I Increase the image Gallery?
A. Sure, You must chnage of css file.gallery.css located on plugin->css folder.