gistfile1.m

- (void)viewDidLoad {
	self.list = [self.data JSONValue];

	[self.images removeAllObjects];
	self.images = [NSMutableDictionary dictionaryWithCapacity:[self.list count]];
	
	for (id rawItem in self.list) {
		NSDictionary *item = (NSDictionary *)rawItem;
		@try {
			[self.images setObject:[UIImage imageWithData: [NSData dataWithContentsOfURL: [NSURL URLWithString: [item objectForKey:@"image_url"]]]]  forKey:[item objectForKey:@"image_url"]];
		}
		@catch (NSException *exception) {}
	}

    [super viewDidLoad];
}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
	static NSString *CustomCellIdentifier = @"CustomCellIdentifier";
	
	CustomCell *cell = (CustomCell *)[tableView dequeueReusableCellWithIdentifier:CustomCellIdentifier];
	if (cell == nil) {
		NSArray *nib = (NSArray *)[[NSBundle mainBundle] loadNibNamed:@"CustomCell" owner:self options:nil];
		cell = [nib objectAtIndex:0];
	}
	
	NSDictionary *item = (NSDictionary *)[list objectAtIndex:indexPath.row];

	cell.description.text  = [item objectForKey:@"description"];
	
	cell.avatar.image  = [images objectForKey:[item objectForKey:@"image_url"]];
	
	return cell;
}