Theme Joomla Extensions

How to display groups in Kupo Slides Pro

Actually, the module allow only to display categories as first level. Then user have toselect catagories to see images.
how to display first the Groups.
example:
--+Group Cars
-----+Catégorie Red Cars
--------+ pic 1
--------+ pic 2
-----+Catégorie black Cars
--------+ pic 14
--------+ pic 13
--------+ pic 12

the module should display first the group Cars!
user click on the group Cars to see the 2 categories black and red Cars
user click on the categorie clack to see pics

is this possible please help