I added the Next-gen gallery plugin with instructions by David Potter. I had to disable the images in theShadowbox JS plugin to avoid a disconcerting double effect.

Examples of usage can be found here.

Here’s a gallery of random climbing pics…
nggallery id=8 (in square brackets)
[nggallery id=8]

nggallery id=8, template=carousel
[nggallery id=8, template=carousel]