In the new version 2.0 you can utilize the following parameters:
Width and Height for Thumbnails
Horizontal space between the thumbnails
Vertical space between the thumbnails
Background color
Thumbnail Outline normal color
Thumbnail Outline selected color
Thumbnail background color
Buttons background color
Allow/Not Allow thumbnail zoom
Allow/Not Allow Maximize image
Show/Hide Fullscreen button
Insert multiple instances of the module on the same web page
To obtain this you must insert a different value in the parameter module_class_suffix ( Advanced Parameters), for instance aa01 in the first module and bb02 in the second module...and so on