Before...and After, pretty much
The hall bathroom had the world's worst switch setup. The switch closest to the door operated the vent fan, while the one further in turned on the light. Every time we walked into the bathroom we would inevitably flick on the fan by accident, followed by a couple swear words and then switch off the fan and turn on the light.
The solution was incredibly easy to implement; pop off the plate, swap switch positions and reinstall the plate. Most satisfying project ever.
Here is a sweet in progress shot:
I only electrocuted myself four times.