TransWin
TransWin is a tiny yet powerful tool to help you to set any or all of the windows on your desktop to be transparent. You can set any window to be transparent or to be disabled the transparent, you even can set the Start Menu and the task bar to be transparent. ... TransWin also supports to add the program path to force all the windows created by a program to be transparent, or add the filter string to make all the windows that matched the filter string to be transparent. ... It supports to set the transparency value for all or any of the transparent window, which from 1 to 254.
http://www.easexp.com/transwin/transwin.exe - 34Kb - Download - Screenshot

Transparent Windows
Martin's Transparent Windows adds a transparency option to the system menu of all programs, making it possible to obscure any window on your desktop. People looking over your shoulder, want to use MSN descreetly in the office...
http://www.martinutils.com/transparent.exe - 3Mb - Download - Screenshot

WindowGhost
WindowGhost provides cool transparent window effects when moving or resizing windows. It allows you to "see through" windows and be able to better place windows on your desktop. WindowGhost also allows transparent menu effects. Arrange your windows more efficiently with WindowGhost! ... With this desktop enhancement, windows become transparent (ghost-looking) when they are moved or resized, allowing you to partially "see through" to other windows in the background. ... Customize your desktop and have fun with windows!
http://barefoot.swmirror.com/windowghost.exe - 588Kb - Download - Screenshot

Quick Shell
Quick Shell adds options to the system menu of all windows to make them always on top, transparent or collapse them to the title bar. Also, menus can be made transparent. For Windows 95/98/ME/2000/XP.
http://home.att.net/~kmichael/quicksh.exe - 674Kb - Download - Screenshot

RaizeX 3rd Party Components
RaizeX 3rd Party Components. TRzxShellTreeChk - Explorer-like tree view of the namespace, with checkboxes. Use SelectedNames:TStringList property to get list of selected (checked) filenames. TRzxTransparentGroupBar - Transparent version of TRzGroupBar. ... TRzxTransparentPageControl - Transparent version of TRzPageControl. ... You need Raize Components vision 3.
http://www.softonweb.com/demo/raizex_demo.zip - 301Kb - Download - Screenshot

AiS Watermarker ActiveX
This component helps you to protect your images. You can write some color or transparent watermark on them. This text can be your copyright or url of your site. AiS Watermark reads your image from file (BMP, GIF, Animated GIF, JPEG, PNG, WMF, EMF and others), adds to the image some transparent... The component is useful for web-designers, hosting company and programmers, which plan to use functionality of the component in their programs on C++, VB, Delphi, ASP...
http://www.watermarker.com/files/aiswpd31.exe - 1Mb - Download - Screenshot

SnowScape
SnowScape is a PhotoShop plug-in for creating piles of snow, dirt, sand, gooey, slimy stuff, blood and similar effects to your (semi-)transparent images. You can specify where you want the snow to appear, how sticky it should be, allowing you to control whether the slopes should be smooth or... Snow, of course, can only fall where there's nothing there and it will stop only when it finds fully opaque areas, passing by and perfectly coloring any transparent areas so your anti-aliassed edges will remain smooth.
ftp://ftp.vanderlee.com/pub/plugins/ss104.exe - 663Kb - Download - Screenshot

Pocket Wallpaper
Create themes and wallpaper for PocketPC and other mobile devices. Using this studio you can crop and resize any image to fit on your PocketPC or other mobile device. For your WindowsCE devices you can create themes for your Today screen. Adjust colors for items displayed on the Today screen. ... Set your image to be transparent, even select the color you want to use for the transparency effect. ... Drop down menu even appears transparent. ... Uploads directly to any selected folder on your smartphone or PocketPC.
http://www.lincolnbeach.com/downloads/pocketwallpaper.exe - 3Mb - Download - Screenshot

ReaWatermark - Apply watermark on images
Apply your transparent logo watermark to multiple image files. ReaWatermark simplifies the process of creating and applying watermarks to multiple files in multiple folders. It supports a mixture of text, copyright symbols, graphics and drawing watermarks of any complexity. ... This watermark software will help you to apply transparent logo on images. ... The multi-level transparency setting allows you to choose and preview how your watermark image or text will affect the protected image.
http://www.reasoft.com/downloads/ReaWatermark.exe - 1Mb - Download - Screenshot

TransDesktop
In Windows system,user can set a image as wallpaper for making Desktop more beautiful. But the characters on the Desktop are not transparent. It has their own background color. So It influence the view of the image on the Desktop. TransDesktop was right develped for the problem. ... It can make the characters on the Desktop transparent and decrease the influence of the characters on the Desktop. ... 4 are: - Add a button to choose some general colors,with it you may choose many general colors expediently; - May show a small icon in taskbar status area; - A "Restore" button may restore...
http://vip.6to23.com/zerolu/download/TransDesktop14E.zip - 56Kb - Download - Screenshot