Random Pattern Background
This tutorial will show us how to randomly load a pattern background. The pattern background then put together to form a full background. The pattern background is loaded externally.

Random Background Generator
Easy way how to make random background, if you want that your background looks difirent every time you start your game, this is tutorial for you. And it's simple!

Creating a Flash Shooter game like SkyForce: Part 1 (the scrolling background)
Once you play Sky Force or any other overhead shooter games (as I like to call them) you will find the most noticeable is the scrolling background it has. In this part of the tutorial I'll be adding a continuous scrolling background that has two elements in it

Adaptable color gradient movie background made with ActionScript
Create a gradient fill background for your flash document with just a few lines of ActionScript. This background is valid for any movie regardless of its size. Detailed explanation of ActionScript!

Scrolling Game Background (Video Tutorial)
Learn the easy way to make a background scroll in a game.

PushButton Tutorial Series - Parallax Background
In this tutorial we add a background image that is scrolled so it appears to be off in the distance.

Background Effect
This tutorial will teach you how to create cool background effect using mask and shape.

How to make a Flash movie with a transparent background
The background of a Flash movie can be set to transparent. This allows the background color or image of the HTML page that contains the Flash movie to show through and allows the layering of Flash content with DHTML content.

Looping Background
Create a continuously looping background. This is great for backgrounds and cartoons.

Making a scrolling Background
Learn how to make a scrolling background in this simple tutorial.

Changing Background Colors
Welcome to this tutorial about changing background colors. Although this topic is covered by the Flash help files, I thought it could use some explanation. Note that you can also use this method to change the color of any movieclip.

Playing Background Loops Continuosly Across Scenes
Learn how to play background loops seemlessly across multiple scenes.

Continuously Looping Background
Have you ever wanted to create a continuously looping background so that it seems the foreground object is in perpetual motion?

Endless Scrolling Background for your Signature
Create an endless scrolling background using Flash Actionscript and one image. There are many applications for this technique including your forum signature, website header, advertisement banners or even game backgrounds.

Masking repeating background with gradients
Flash 8+ tutorial which shows step by step how to mask out a repeating background using gradients. Includes fla/swf files and html examples.