http://www.wallpaperengine.com/

More details would be in order, ain't it?

A thread with nothing but just a link, is effectively no better than spamming!

Wallpaper Engine 1.0 Overview:

The system performs desktop wallpaper searches in various search engines using the keywords specified by the user. It has an opportunity to store the images found and to catalogue them. There is also a possibility to set up automatic changes of the desktop wallpapers based on the specified period of time and keywords. The method of the Internet connection (Dial-up, Proxy) can be chosen.

The system will automatically find and change your desktop wallpaper based on a large range of different options, and it is great for large collection indexing.

Software Key Features:

Ability to download images from many different websites on the net

Specify your keywords to receive images of your dream!

Download Multiple Number of pictures at once

Print Quality Photos in your printer from the "image collections"

Automatically Download new pictures everyday for you

Optimize any image to fit your desktop perfectly.

Download and display images with just a click of the mouse.

Automatically change wallpaper by the hour, day, or any time you want it to.

Move images from one folder to another with Drag and Drop

Saves downloaded pictures in a "Image Collections"

All modern graphical formats are supported! (*.tif; *.tiff, *.bw, *.rgb, *.rgba, *.sgi, *.tga, *.vst, *.icb, *.vda, *.win, *.pcx, *.pcc, *.scr *.pcd, *.ppm, *.pgm, *.pbm, *.cut, *.pal, *.gif, *.rla, *.rpf, *.bmp, *.rle, *.dib, *.psd, *.pdd, *.psp, *.png).

Great preview of the new images

WallpaperEngine 1.0 automatically minimizes to tray area for easy access

Lifetime software update.

WallpaperEngine 1.0 Free Trial !!!

You can try out this software by downloading the free trial if you haven't already done so. The free trial contains some of these features and are limited to 30 days only.

Compatible with Windows 98/NT4/2000/ME/XP

Trial!

That immediately puts me off trying it!