I have a application background image, and i want the title bars of my spark Panels title bars to be transparent. BorderAlpha does not do it.
I think you will have to re-skin.
What part of the skin do you set the alpha on?
Check out http://blog.flexexamples.com/2010/04/03/setting-the-alpha-on-a-spark-panel-container-title -bar-in-flex-4/.
Retrieving data ...