Don't think of it as bringing a message to an entire race. Just try to affect the what people you can within your reach, be it through social media, friends, school, or your job.
I blasted out some Memes from this board to my black friends today. Thankfully many of them are already politically conservative (even if they don't realize it) so it was pretty straightforward. It didn't take much to show them that Dems don't have their best interest in mind.