• Image is resized and cropped (if necessary) to fit the desired size
• Desktop size is automatically detected
• Search for similar images (uses Google Images)

• Download button
  • File name: {$originalName}-{$width}x{$height}.jpg
• Bookmarklet
• Cache downloaded image
• Cache final image
• A nice UI
• Allow resizing/cropping visually
• Allow editing from Picnik
• Allow upload file
• Unit and functional tests
• Detect multiple screens
• Android 2.3 browser give random screen dimensions
• Test it with Chrome, Firefox, Safari, Opera, iPhone & iPad

It requires node.js (http://nodejs.org), npm (http://npmjs.org) and ImageMagick (http://imagemagick.org)

$ git clone git://github.com/frosas/wallpaperer.git
$ cd wallpaperer
$ npm install
$ node server.js

Now you can use it at http://localhost:8080/