a little bit of spit on my screen, provides a cheap and simple optical effect of nice colours (If I move my head from side to side)
Why is this most effective on a laptop screen?
(other people do get this as well dont they?)
Any other simple hippy trippy tips
here is a video of a flaming groovy (alas with annoying kid.....but you need to hear the sound of the molten flaming plastic too)