RKTableViewSections from @jeffarena

gistfile1.m

// This would be inserted somewhere in your app-wide tableviewcontroller superclass configuration, to reap the benefits across all subsequent tables.
self.tableController.heightForHeaderInSection = 22;
self.tableController.onViewForHeaderInSection = ^UIView*(NSUInteger sectionIndex, NSString* sectionTitle) {
    UIView* headerView = [[[UIView alloc] initWithFrame:CGRectMake(0, 0, self.tableView.bounds.size.width, 22)] autorelease];
    headerView.backgroundColor = [UIColor colorWithPatternImage:[UIImage imageNamed:@"sectionheader_bg.png"]];
    UILabel* label = [[UILabel alloc] initWithFrame:CGRectMake(5, 0, self.tableView.bounds.size.width, 22)];
    label.text = sectionTitle;
    label.textColor = [UIColor whiteColor];
    label.backgroundColor = [UIColor clearColor];
    label.font = [UIFont boldSystemFontOfSize:12];        
    [headerView addSubview:label];
    [label release];
    return headerView;
};