I have just uploaded an updated GradientComponents Style Explorer.
The new property positioning is available and you can now select a component and play with its background. This is a long time that I wanted to do this and someone suggested me to do it a few days ago ;). I have done a quicky and (very) dirty modification of the application (at code level) so, don’t expect to much if you have a look in the code (the more interesting being the examples).
Nevertheless, all GradientComponents are not demoed and some of them require additional styling: the backgroundAlpha of GradientAccordion or GradientTileList for example, the border of the TextArea… I hope this will help you style your owns.