Importing a single picture from any album is NextGen option such as the image below of Corps of Discovery Salt works on Pacific Beach. The beach the Corps used to make salt was several miles from the fort.

Individual selections consisting of all images uploaded can be displayed one at a time using this option.

The NexGen Gallery popup dialog box displays tabs for gallery, album and picture.
In this case the tab picture was selected and drop down box enables selection of any image uploaded in nexgen file on host directory.

Note that when selecting theme, the choice was a theme that wrapped text around the image, which is controlled by css file.

The path was described in installation url.