Think of tags as like a book index where you find words and which pages they are on, the same principle applies here. Although it's taken a stage further so it might not be the word, but the subject, so for example if you're looking for things to do with fractal gradients for example. A tag may bring back posts with gradient files, as well as posts that discuss gradients, or tutorials about them.
Umma Gumma Red blog post showing my latest flames
BEE blog post showing my latest flames
The Dark Tower blog post showing my latest flames
Using the new UmmaGumma scripts and for the background the starfield generator from the Heavens Scripts I found a shape that looked broadly like a UFO.
From a flame game, and from the scripts I just created, comes this. So easy to get good looking images to start with, then I just tweaked the camera angle a bit, adjusted the saturation and a few other colouring bits, and voila