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.

SphericalGlynn

Blurry Eye

Here’s an example for our Blur flame game, based on Rick Sidwell’s excellent Blur page.  This time I added two finals of a sphericalN (this is my latest thing), then added two glynnsim1 finals so that it would shrink to the middle more