How to get user defined background color in three20's TTTableViewController

Question

Hi there,

having a TTTableViewController instance, I try to set the background of the currently selected cell. I am aware of the style sheets concept in Three20, but it just offers:

- (UITableViewCellSelectionStyle)tableSelectionStyle {
    return UITableViewCellSelectionStyleGray;
}

with standard options UITableViewCellSelectionStyleNone, UITableViewCellSelectionStyleBlue, UITableViewCellSelectionStyleGray.

Second, I am aware, that UITableView implementations would just take a subclassed UITableViewCell. One would set selectedBackgroundView of that cell class:

UIView *myBackView = [[UIView alloc] initWithFrame:self.frame];
myBackView.backgroundColor = [UIColor colorWithRed:1 green:1 blue:0.75 alpha:1];
self.selectedBackgroundView = myBackView;
[myBackView release];

How can I set the background color of a selected cell in a three20's TTTableViewController instance?