Ok so here’s a free app that was released just a couple of days ago and is quickly climbing the top 50 at the AppStore. Retina Wallpapers HD offers an extensive list of more than 10,000 images enhanced to the iPhone 4′s 640×960 Retina Display resolution. Most of the images are home made or artist approved, but it also gives you the option to upload any of your images to their server and just wait for a quick approval for them to have it be added to the library.
Now moving all the Retina Display selection of images aside, I must admit these guys do have really good taste in what I’ve seen so far. Sure there are other apps to chose from, but I would recommend you give this app a try and compare yourself. The App is not limited to just the iPhone 4 so if you still carry a 3G, 3Gs or any generation iPod Touch, you should be able to get these images working without a problem. You can get a copy of the Free, Ad based version here, or go for an in-app purchase of $4.99 if you choose to skip the Ads.