Digital photo frames, on the other hand, let you create slideshows with cool transitions to display all of your vacation pics. And some frames add video and audio playback, Wi-Fi, and/or Bluetooth. The best part? LCD technology is finally becoming affordable enough for these frames to be had at reasonable prices. Sure, you can land a killer deal on a solid frame, but you need to know what to look for. Here are five rules to follow to help you pick the perfect digital picture frame.