Two additional tips: 1) use a grid to keep proportions honest. 2) read and follow these two guides if you target apple platforms. http://developer.apple.com/li

Two additional tips: 1) use a grid to keep proportions honest. 2) read and follow these two guides if you target apple platforms. http://developer.apple.com/library/ios/ipad/#documentation/userexperience/conceptual/mobilehig/IconsImages/IconsImages.html http://developer.apple.com/library/ios/ipad/#documentation/u... http://developer.apple.com/library/mac/ipad/#documentation/userexperience/conceptual/applehiguidelines/IconsImages/IconsImages.html http://developer.apple.com/library/mac/ipad/#documentation/u...