I know that not everybody gets them, but many of my barn buddies and I do, and from reading these boards I know they're pretty common. So, as a way of eradicating the nerves by killing them with humor, I modified a meme I'd seen a friend's facebook wall. It could easily be modifed for eventing or dressage.
Hope it gives you a giggle. You'll have to scroll down a bit to see the graphic.