The upcoming version 1.0.8.14 offers some interesting features which enable an easy way of implementing a scrolling thumbnail gallery. Fully XML based. Please see the attachment of how the gallery looks like or see the interactiv demo here. Your are able to configure as much thumbnails as you want. Additionally you setup the number of visible thumbnails. Simply design your own left and right arrows, supply a .png with your background color and your alpha. Thats it. The source code is availble here. In order to keep is simple the gallery's location is restricted to "bottom".
Michael