It's not a problem for me.
On the contrary, it's a gift.
Oswald is an important figure in history. Why wouldn't you take a picture of his grave? It doesn't mean you're a "fan" of Oswald.
Guilt by association is such a silly argument. There's a picture of me, age 9, standing by the Brandenburg Gate. Does that mean I am a fan of Napoleon, Kaiser Wilhelm and Hitler, all of whom used it for political purposes?
( FYI, my family in Poland was oppressed by all those figures, especially old Adolf, so the question answers itself.)
What's your response to that, Mr Chapman?