Desktop Themes

a.Paper
Program that puts animated themes, based on Flash animations, Java applets, Active X components and HTML pages onto the Windows desktop. Demo version available.
http://www.intelore.com/apaper.php

CalPaint: Themes for Calmira
Software for editing and customizing desktop themes for systems running Windows 3.1x, and Calmira. Several wallpapers for download.
http://www.calpaint.de/

Cwhere Software Design: ThemeFreak
A free utility that creates desktop themes that works on most Windows systems including XP.
http://www.come2mum.com/~cwhere/

DesktopMaster
Software for installing and managing desktop themes. Free trial available.
http://www.desktopmaster.net/en/index.html

Left Side Software: Desktop Themes
Allows the installation, use and creation of themes without Microsoft Plus. Free demo available.
http://www.gpsoft.com.au/lss/Default.asp?page=themes

Peanut Software: Theme Creator Gold
Create and manage desktop themes easily. Demo available.
http://www.peanutsoftware.com/

WindowBlinds
Change the look and feel of the Windows desktop by changing the style of title bars, buttons, check boxes and tool bars. Windows 98/ME/NT/2000. Trial version available.
http://www.stardock.com/products/windowblinds/