There should be a copy shop nearby? Every conference my husband goes to, he ends up needing to find a place to print stuff, and somehow he always manages.

How about going retro and using an easel and sheets of paper, rather than PowerPoint? I'm only semi kidding... I really detest PowerPoint presentations, but that's because my experience of them comes from the business world, where you'll get someone putting up a slide with, say, three bulleted points which he then proceeds to read to you...