Lightbulb Moments has unveiled the iBottleopener for the iPhone 3G and iPhone 3GS. The iBottleopener is a two-piece plastic case featuring a slide-off bottom for docking access, a soft touch finish, open access to all ports, controls, and the camera, and a metal bottle opener on the rear. Lightbulb Moments’ iBottleopener for the iPhone 3G and iPhone 3GS is available now and sells for $20; a version of the iBottleopener for the iPhone 4 is listed…