MACachedImageView *cachedImageView = [MACachedImageView alloc] initWithFrame:CGRectMake(0,0,100,100)];
NSURL *url = [NSURL URLWithString:@"http://my.fancy.images.com/image.jpg"];

// Show an image by using the cache, if already available:
[cachedImageView displayImageFromURL:url];

// Show an image and force to refresh the cache:
[cachedImageView displayImageFromURL:url forceRefreshingCache:YES];

// Show a "local" UIImage:
UIImage *image = [UIImage imageNamed:@"image.jpg"];
[cachedImageView displayImage:image];

MACachedImageView *appearance = [MACachedImageView appearance];

// Showing an image if no image is loaded yet or during loading an image:
appearance.placeholderImage = [UIImage imageNamed:@"..."];

// Use the placeholderImageContentMode property to decide how the placeholder
// image should be placed when shown.
appearance.placeholderImageContentMode = UIViewContentModeCenter;

// When displaying a loaded image, this content mode is used to show it properly.
appearance.imageContentMode = UIViewContentModeScaleAspectFill;

// The color of the download progress indicator.
appearance.progressIndicatorColor = [UIColor whiteColor];

// Set the stroke width of the MACircleProgressIndicator explicitly.
// progressIndicatorStrokeWidthRatio will be ignored.
//appearance.progressIndicatorStrokeWidth = 1.0;

// Set a ratio between the MACircleProgressIndicators size and the stroke width.
// progressIndicatorStrokeWidth will be ignored.
//appearance.progressIndicatorStrokeWidthRatio = 0.15; // default ratio, just for information :)