Are you sure your changing the right template in the right directory?
If your sidebar is on the left its sidebar_leftopen and if your using vb3 its the one in the vb3enhanced directory under templates. 6 was what I was suggesting you change it to.
I also just checked and I was completely right in my original post. the display_gallery line in sidebar_leftopen is this
Content visible to verified customers only.
The code can not be as you have stated cause we have not added ajax to reviewpost yet.