How to detect empty odd elements in Arraylist

This is a little bit complicated to elaborate and the title might be misleading but I don't know how to write it short.

I'm trying to display in a .jsp some images distributed 2 by 2. Example:

To do that, I have a 'while' loop, that for reasons of design, has to go 2 by 2. Like this: To do this I have an ArrayList of that are my DTOs, where I encapsulate my info (image, title, author).

The problem comes when I have an ArrayList with 3 or 5 elements. If I have only 1 element, it's easy to detect and display only one.

This is my code:

<%ArrayList<Vinilo> coleccionVinilos = (ArrayList<Vinilo>)request.getAttribute("coleccionVinilos");
                request.removeAttribute("coleccionVinilos");
                if(coleccionVinilos.size()>=2){
                    int i=0;
                    while( i < 6 && coleccionVinilos.size() > i) {
                        if(coleccionVinilos.size() > i){
                            Vinilo col = coleccionVinilos.get(4);
                        }
                        else{
                            Vinilo col = coleccionVinilos.get(i);
                            Vinilo col2 = coleccionVinilos.get(i+1);
                        }i=i+2; }
                }
            else if (coleccionVinilos.size()==1){
                Vinilo col = coleccionVinilos.get(0);

                }
                else{}
            %>