These notes have been copied from the Next Gen Gallery plugin page … so may not all be relevant
Will NextGEN Gallery work with my theme?
Part of what makes NextGEN so popular is its flexibility – it works with the vast majority of premium and free themes, without requiring any coding.
Are the galleries flash based?
Are the galleries mobile friendly?
What is the difference between a gallery and an album?
In the simplest of terms, Galleries contain your images and Albums contain your Galleries. Albums act as links and placeholders to quickly and easily navigate your galleries – Galleries will actually display your images.
Can I upload multiple images at once?
Yes, you can batch upload entire galleries at a time.
Can I password protect galleries?
Yes, WordPress allows you to password protect pages by default – which includes all galleries and content for the entire page. Password protection of pages can be turned on and off at any time, with just a few clicks.
Can I add a watermark to the images/slideshows?
Yes, you can add text or image watermarks to your gallery images.
Can I crop thumbnails?
Yes, each thumbnail image can be individually adjusted to suit your needs.
Is there pagination for galleries?
Yes, and you can adjust the amount of images to be shown on a page at any time.
Can I customize the lightbox?
Yes, the lightbox can be configured with multiple options directly from the Dashboard, and there are multiple CSS styles which can be applied and modified as well.
Can I add HTML to the captions?
Yes, caption areas are fully HMTL capable.
Can I add an external links to galleries?
Since the captions are fully HTML capable, you can add external links and any other type of mark up you wish.
Is NextGEN Gallery available in foreign languages?
Yes, NextGEN Gallery has been translated into dozens of languages – click here to find out more.
List of Short Codes for NextGEN Gallery
Short codes are the piece of text which you add along with you text on your blog post or sidebars. Short codes can also be added inside the theme templates.
For a slideshow :[ slideshow id=x w=width h=height ]
For a album : [ album id=x template=extend] or [ album id=x template=compact ]
For a gallery : [ nggallery id=x ]
For a single picture : [ singlepic id=x w=width h=height mode=web20|watermark float=left|right ]
For a image browser : [ imagebrowse r id=x ]
To show image sorted by tags :[ nggtags gallery=mytag,wordpress,… ]
To show tag albums : [ nggtags album=mytag,wordpress,… ]