In film lighting you often add rim lights to give your characters a well-defined silhouette. This looks great, but is not done in games as rim lights break when you begin to move the camera:



I've had an idea for a quick hack for about a year, that I finally got round to actually trying out: Just take the directional rim light and parent it to the camera, so it maintains its angle when the camera moves. It works a lot better than expected:



In the 'real' world I'd add a small fill light, but these settings were meant to show of how it looks in the worst case