Tail and fireworks both
Back and forward buttons
trouble loading… some kind of background effect – stars scrolling down
Fade from white to black
star-shaped fireworks
confetti fireworks – can be used for image fireworks
floating hearts or snow
Bouncing words in the status bar
button alert
button link
Mini-calendar and time greeting
Graphic date announce
Black hole
Comet tail (no fireworks)
Date stamp
Page depends on the day
Status Scroll
Button to top of page
Print button
Pop-up link
Mouse over link
Floating images
Special word link
Bomb
Rainbow test


Java examples:
star field
ripples
lake effect
clock