Instant Theme Creator
Instant Theme Creator takes the hassle out of creating desktop themes. Many other theme programs are difficult and confusing to use, this one isn't! It's written specially so that anyone can make their own desktop theme within minutes, whether they're a "power user" or it's their first time. ... Now the software comes with complete access to the members-only Support Site, with a wealth of information about creating your own themes - invaluable! ... There's a full user guide included and a dedicated e-mail address for technical support issues!
http://www.salted.com/themeval.zip - 157Kb - Download - Screenshot

Theme Manager
Control the OVER ALL look of your Windows computer with Theme Manager. Manage all your skins, themes, wallpapers, icons, etc. from a single interface. You can even mix and match them together to create full blown suites! Theme Manager is a front end that seamlessly works with your other desktop... Theme Manager supports: - Wallpapers - Visual Styles (WindowBlinds & MSStyles*) - MP3 Players (Winamp, Windows Media Player, Cool Player) - Desktop Themes (Microsoft . ... Once you have your desktop just the way you want, you can take a snapshot of your desktop that is saved as a .
http://storage.stardock.com/files/thememanager_free.exe - 2Mb - Download - Screenshot

ExeDesk, Professional Edition
The ExeDesk is a skinable (theme enabled) virtual desktop manager that replaces standard Windows desktop. There is up to nine desktops, each with its own user-defined content. Windows opened on each desktop can be simply moved to other desktop using drag & drop (or can be made sticky and thus... Professional edition only: Theme creation/editing, desktop password protection, screen resolution per desktop , better color control. ... The program is fully customizable: User can select different color and wallpaper for each desktop, assign hotkeys to desktops, select from many types of objects...
http://www.pitrinec.com/exedesk_pro.exe - 5Mb - Download - Screenshot

ExeDesk, Standard Edition
The ExeDesk is a skinable (theme enabled) virtual desktop manager that replaces standard Windows desktop. There is up to nine desktops, each with its own user-defined content. Windows opened on each desktop can be simply moved to other desktop using drag & drop (or can be made sticky and thus... Professional edition only: Theme creation/editing, desktop password protection, screen resolution per desktop , better color control. ... The program is fully customizable: User can select different color and wallpaper for each desktop, assign hotkeys to desktops, select from many types of objects...
http://www.pitrinec.com/exedesk_st.exe - 5Mb - Download - Screenshot

Theme Calendar
Theme Calendar is a Windows application which displays a completely customizable calendar on your desktop with "Themed" messages for each day of the year. Available themes include General Jokes, Adult Jokes, Motivational Quotes and Bible passages. This calendar is a perpetual calendar which will... Multiple messages, one from each theme database, can be displayed on any given day if multiple theme databases are present. ... All of the messages in one database will pertain to that database's theme, such as humor, motivational quotes, or historical information.
http://www.themecalendars.com/setup_themecalsample.exe - 550Kb - Download - Screenshot

Amazing clock
There are a lot of amazing clocks - on your desktop! Analog and digital, electronic and mechanical, modern sporting and elegant antique ones... Convenience features include a multifunctional scheduler capable of playing sounds, screen view of several clocks which display the time in different... After you launch program Amazing clock will be displayed on your desktop along with the new wallpaper, which will be set according to your current theme. ... Each theme includes a unique clock and wallpapers.
http://www.amazing-clock.com/files/aclock.exe - 1Mb - Download - Screenshot

STRAYK
STRAYK is a freeware program that downloads automatically a new wallpaper for your desktop every day. CATEGORIES AND THEMES: An increasing number of themes will make it easy to select a theme of your choice. CONTESTS: Some themes are linked to contests. ... They will be made available for download in an appropriate category. ... On request, professional photos of superior quality can be put online on a subscription basis to get you some return for your work. ... ) you want to show to a broad public.
http://www.strayk.com/strayk_setup.exe - 2Mb - Download - Screenshot

enable Virtual Desktop
enable Virtual Desktop is the next generation virtual desktop from Enable Software. Features include: customizable desktop size, hotkey desktop switching, mouse and window selectors, fully customizable appearance (including different wallpaper/patterns/colors for each desktop). ... Contents mode displays an exact miniature replica of your desktop, while you can set up desktop themes and global hotkeys. ... Assign rules for windows, including sticky windows (window appears in all desktops) and the initial desktop, size and position of windows.
http://www.enablesoftware.com/evd2.2.8u.exe - 3Mb - Download - Screenshot

Animated Desktop
Animated Desktop is a unique program that allows you to put animated themes, based on Flash animations, Java applets, Active X components and HTML pages onto your Windows desktop. The software includes a tool for creating your own animated themes as well. ... You can use the themes either to simply do away with the dullness of your desktop or for various other purposes, such as memory monitor. ... The software supports numerous graphic formats. ... You can also set the regular wallpaper, join different wallpaper themes together into collections and make them change in accordance with time.
http://www.intelore.com/animdesk/animdesk.exe - 4Mb - Download - Screenshot

Send in the Clowns
Animated screen saver featuring tropical fish on YOUR desktop (no background). Registered version includes additional animation. Matching desktop theme and accessories available at Themestress Desktop Enhancements.
http://dl.ezthemes.com/dlf/sendintheclownsss.exe - 520Kb - Download - Screenshot