I'm having a sudden surge of energy
Examples of things that make an image fit:
Extremes of white / black
The color green, primarily as a vapor or aurora borealis (Terrain of the aurora borealis must be either made indiscernable or photoshopped onto a potential corrupted level)
Nonensical distortion
Black + white filters
Oceans (I'm going to write a level for the Blue soon so this is pretty important)