I've always been fascinated by color. Even today I can sit and stareat rainbows for hours, if they'd last that long. This tutorial cameout of some experiments with one of the Filter Factory V effects, PosterGradient I. Finally there is a good freeware rainbow gradient maker.Let's take a look at some of the effects you can get using this filterand PSP 5's layers feature. Start by opening a new file, 200x200 pixels,16 million colors, with a white background. Draw a circle that almost fillsthe box, starting at the exact center. You can see the position of yourcursor in the lower left hand corner of your screen.