There's been an explosion of special effects videos on YouTube over the past few years. Because the technology to create special effects has gotten so cheap and so easy to use, basement video editors of all kinds have put together videos of themselves throwing fireballs or fighting with lightsabers against their cats. PyroPainter takes this idea to an even easier place: It's an iPhone app that lets you add special effects to videos as simple as dragging and dropping them across the screen.
The app's instructions are unfortunately a little sparse, but once you figure out how it all works, it's really simple. You upload one of your previously recorded videos into the app, choose an effect from the huge library and "paint" it acros
