Akertyne Arts: Animated startup screens for Windows.
MetalScreens: Heavy metal startup/wait/shutdown screens for Windows. Also offers desktop themes.
Pixelesque: A site devoted to Windows 95/98 startup and shutdown logo screens.
The Hub: Logo.sys Replacements: Download one hundred and sixty four start-up logos.
Windows 98/95 Animated Logo Screens: Learn how to create an animated startup screen.