3DNA Desktop
3DNA is a 3D desktop enhancer that improves the way you work with Windows and the Web. You can choose from different 3D Add-on Worlds to explore and customize with 100's of themes and skies for an immersive and entertaining desktop. 3DNA works by overlaying the wallpaper area and easily lets you... 3DNA will even scan your system to create a custom set of links to get you started. ... Once you have selected the World you like, you can download additional user-created themes and skies or create your own to share.
http://3dna.fileburst.com/d3DNA_Loft_110.exe - 16Mb - Download - Screenshot

Light Artist
Light Artist is a unique image processing program offering a number of options that produce amazing results. The program allows adding multiple light sources to photographic images, which can be useful either for enhancing underexposed pictures, images taken in a dimly-lit environment or for... If you don't like the result, you can adjust the options, watching the results in real-time. ... Still another possibility is adding 3D relief to images, which can help enhance outlines, make the contours more distinct and produce embossing effect imitating engraving.
http://www.vicman.net/soft/lightins.exe - 3Mb - Download - Screenshot