Erm ... yeah ... perhaps. I surely didn't have the holo-grid in mind when designing that wallpaper. See that window behind Janeway and Chakotay behind which the timeship is stored? That one has those square-like things in its frame. That gave me the idea of the grid as a background motif.
It works well.
I love Neelix's expression, he looks very Klingon. The creative choice to give Janeway Klingon makeup but to not make B'Elanna and Neelix look human in the WW2 holoprogram is interesting: I wonder if the producers thought we wouldn't recognise Neelix without Talaxian makeup.