Dock help - Dark bubble

[mushir]

Is there a way to get this dark bubble behind the names of my programs in the dock in Tiger?

 

[G-Com]

Is there a way to get this dark bubble behind the names of my programs in the dock in Tiger?

You certain that's Tiger, not Leopard?

 

[Chappers]

If you mean a bit like this then I don't see the point to be honest.

The photo-edit is rubbish as I did it one handed on a trackpad with a two year old on my lap.