Creation of iPhone app logo design

**2 images: iPhone app logo design and launch image design.**? Need a strong visual design. *** Must be a designer who has created an app logo before. *** **Image #1 Icon Button for App.** Need to have an icon that is: * Attractive, so users want to keep it on their Home screens. Bold Shapes and lines and pleasing color combinations. * Distinctive, so users can easily find it among all other icons To ensure that the icon works with Apple's iPhone please? provide an image in PNG format that: * **Need a total of three size versions of button**, one that measures 57 x 57 pixels, with 90 degree corners (if the image measures other than this size, iPhone OS scales it) a? 512 x 512 pixel version of application icon for Apple store and a smaller? 29 x 29 pixels version. * Does not have any shine or gloss * Does not use alpha transparency **Image #2 Launch Image: **in PNG format that: * Measures 320 x 480 pixels.