Where did you download them, how did you download them, and what are the filenames you put into the AddonPackages folder?
// EDIT: I just downloaded the "Soaking Wet" from the OP available
here, put it into my AddonPackages directory, started VaM, downloaded all the missing dependencies, and I got this (all new scenes from those files are within the red marker):
View attachment 2128206
(If this would have been a scene I would have wanted to checked out, and would see this "mess" of scenes , some even without proper preview images -- this would be an immediate "Nope" and I would delete this and everything I just downloaded for it immediately. Because that's how you will clutter up your installation/scene browsers etc.. But that's just my 2 cents...)