Snow Effect with images 1
19
Decorate your webpage with this great animated document effect! Watch as snow gently trickles down the page, then disappear. The image used is changeable, so snow definitely isn't the only effect this script can render.
Starfield Simulation
3
Take your webpage into the stars with this 3D starfield script! The stars travel towards you in an incessant manner.
SnowFall
3
This script depicts falling snow. You can specify how many flakes to fall and how fast.
Twinkling Star Background
3
When used with a starry type background image, this script gives the effect of randomly 'twinkling' stars.
VML fireworks script
7
This is an interesting fireworks effect with the following attributes:

+ Makes use of VML support in IE5+ to render the stars. No graphics involved.
+ Uses conditional comments of IE5+ for backwards compatibility with other browsers.
+ Colors of fireworks fully customizable.

There are a couple of disadvantages, however. The script may not run smoothly on slow-end computers, and disabling of the horizontal scrollbar on the page is required (done by script automatically).
Document Firework with Layers
2
Sprinkle your webpage with colorful fireworks, with this decorative DHTML script! This version differs from the original in the way the fireworks is rendered. Whichever one you choose to adopt, the end effect is simply dynamite!
Document Stars II script
2
Immerse your webpage in flying stars, and make it think it's in space, with this awesome document script.
Flying Stars II
3
Take your webpage into the stars with this 3D starfield script! The stars travel towards you in an incessant manner. This script uses NO images.
Flying Stars I
3
Take your webpage into the stars with this 3D starfield script! The stars travel towards you in an incessant manner. This script uses NO images.
Rain
2
(Version 4.0+ Browsers) Appears as if it is raining on your web page, wow! The effect is accomplished by using DHTML in layers. Clever! As an added plus, you can easily customize the number of raindrops and how fast they fall.
Simple Falling Snow
3
This is a smple script to create the falling snow effect on your web pages.
Through the Universe
0
Take your webpage into the stars with this 3D starfield script! The stars travel towards you in an incessant manner. This script uses NO images but using the colorful dots.
Document Stars script
0
Immerse your webpage in flying stars, and make it think it's in space, with this awesome document script.
Document Lightening effect
3
This is a highly complex script that renders a lightening effect using code, and code only. What will they think of next?
Rain/Snow effect without images
5
This is simply one of the most efficient, elegant rain/snow effects we've seen. Created without the aid of images, it's also hassle-free to install. Toggle between rain and snow effect with the change of one variable.