Comic Life can do it. Here's some instructions. You won't need them all. Just choose the adding caption box to a photo parts.Oh my goodness, I have to get on to doing this soon! Quick, someone tell me what program this new-fangled MacBook allows me to add text?!?! Is it iPhoto, Photo Booth, Image Preview, Comic Life, Or Image Capture?? Ever since switching to a Mac, I'm totally computer illiterate