In our iLounge Deal for today, you can pick up iShowU Instant for Mac for only $12 — that’s 50% off the regular price. This fast and feature-packed screen recorder will help you record what’s happening on your computer and quickly and easily share it. Whether you’re a teacher preparing a class presentation or a gamer wanting to show off your skills, iShowU has you covered, with the ability to share directly to YouTube, Vimeo, and…