使用迭代和数组动画一系列图像

I have been playing around with Xcode lately and am stuck at this stupid problem. Need help! Okay I added 69 images to supporting files names 1.jpg,2.jpg...69.jpg. They are named so because a loop will be used to create an animation by displaying a series of images. Here is what i did. Header file:I have been playing around with Xcode lately an