Well, can't see the picture, but I'll try. This might be funny.
Boromir: "Let's see which is truly sharper, your tongue or my sword."
OR
Boromir: "I would cut of your head, if it was but a little higher off the ground."
Gimli: "Hey, I'm not short, I'm vertically challenged!"
*I look forward to seeing if these captions even make sense with the picture.
