gistfile1.m

- (UIImage *)imageForView:(UIImageView *)imageView atRow:(int)row inTabelView:(UITableView *)tableView
{
    int type = TYPE_FIRST;
    if (tableView == self.secondInspectionsTV) type = TYPE_SECOND;

    __block UIImage *image = nil;
    if (type == TYPE_FIRST) image = [self.firstImages objectForKey:[NSNumber numberWithInt:row]];
    else image = [self.secondImages objectForKey:[NSNumber numberWithInt:row]];

    if (image != nil) return image;

    dispatch_async( dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
        Inspection *inspection = nil;
        if (type == TYPE_FIRST) inspection = [self.firstInspections objectAtIndex:row];
        else inspection = [self.secondInspections objectAtIndex:row];

        UIImage *image = [UIImage imageWithContentsOfFile:inspection.path];
                
        if (image != nil) {
            image = [ReviewRentalViewController imageWithImage:image scaledToSize:CGSizeMake(imageView.frame.size.width, imageView.frame.size.height)];
        }

        dispatch_async( dispatch_get_main_queue(), ^{
            if (image != nil) [imageView setImage:image];
        });
    });
    return nil;
}