The NextGEN Gallery plugin offers you greater flexibility than the standard WordPress Gallery. You can set up galleries from with a page or post or through the main Gallery menu. If using the main Gallery menu you can set up galleries, albums, tags and adjust standard settings. Galleries are collections of images whereas albums are collections of galleries.
Managing your NextGEN Galleries
Once you have created a gallery and added some images you can manage and edit the order of images, descriptions or whether to exclude, without deleting. You can also manage all of the thumbnail properties, such as cropping or resizing. Once all the images are within the galleries you can edit all of the metadata and relevant tags associated with your images. You can also add watermarks or copyright information as well.