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.
Sample Waves Flames for the Waves Post, not all work with JWildfire
Very simple scripts that generate random parplots, tweak their values then tweak the variations … Details
Not having the time to script these, thought I’d release them for you to … Details