A firey inferno-like background tutorial

Realistic liquid splashes

Here's a detailed tutorial to simulate a realistic grass texture against a semi-cloudy skyline backdrop.

Make a nebula by using difference clouds

Create a cool warp portal effect in photoshop

Learn how to create hi-res realistic road textures with stripes

Learn the technique of creating a bump effect

This is another method based on the "Futuristic Deep Tunnel" tutorial. This tutorial shows you how to create what looks like a slipperly dip/stairwell going down a deep deep hole.

Create an Etched Smokey Background Effect

A very creative and effective way of creating lightning

Create a cool texture effect that looks like you're under water

Create a shooting star field in a few simple steps

A pretty simple way to create a nice looking glass cube texture

Create this semi-like lava graphic from gradients and blending modes