Haha why would I report you, to be honest, I don't think calling him a nigger is an infractable offense. You commented that his post was pointless/meaningless (in a non-direct manner), and calling him a nigger is no worse than people calling each other fags all over Sythe. You have done slight wrong, but nothing that bad.
And also, I was just thinking, maybe try and lower the fill of the text? just so it doesn't completely mask the image/render beneath?