I've installed and activated the nextgen-gallery plugin, and created from within WordPress a page called Gallery. The next step according to the readme file says:
Go to your post/page and enter the tag '[nggallery id=x]'
The problem is that I can see no option to enter a tag when viewing the page via edit.
I can see that editing or adding a "post" allows for including a tag - but I can't see how that will help me. My posts are set up under a link for "News" which you can see at this url: http://www.kidspartybags.biz/blog/
Not sure how to make this work. Would be grateful for any assistance.