jPages for WordPress integrates the cool pagination for gallery,comments,table.
Please make sure there should be a class called "gallery" wrapping the Gallery section.
In Settings >> Media We have a option for choosing images per page in Gallery. It's default five.
Just add the ID "comment-list" to the div,ul,ol etc containing all the commnets like: id="comment-list" in html.Please set the comments per page in Discussion Settings. BUT DO NOT CHECK THE CHECK BOX FOR Break Comments into page CHECK BOX.