Luminaciated Layer Effect
I was reading about what an inverted luminosity layer can do to brighten an image, then I read about how the word luminosity gets misused in the world of computer graphics. Then I decided to misuse and misinterpret some graphics fundamentals for GIMP and write about the brightening affect that these new fundamentals have on other layers.
Lumaverted Layer Effect
Here is a less inventive and faster method for brightening dark and contrasty images.
Luma* Layer Effects Compared
Emulating Video Capture Events with Difference Layers
Using these difference layers and some thoughtful plug-in filtering and you can make your high resolution crisp digital photograph look like a low quality video capture frame.