Automatic resizing for 'non-retina' image versions

Question

I\'m looking for a solution that can save me from maintaining two versions of the same image, one for Retina displays (aka @2x), one another for non-Retina displays. My goal is

Answer 1

Try Resource Helper on the Mac App Store http://itunes.apple.com/us/app/resourcehelper/id521474600

It costs $10.49 but it's worth it. Checks if your images are Retina friendly (i.e. even numbered width/height dimensions) and generates the corresponding image inline. Also handles creation of ~ipad and @2x~ipad graphics as needed.

EDIT: I am not affiliated with the authors of Resource Helper.