Firefox Transparency Help

Hi Guys
I Need Help On Firefox 3 . I Have A Custom Vista Theme so i dont get Transparency on maximized screens

I Want It TO Be Like This But Fullscreen

Does Anyone Know a Way Or App That Can Let Me do That.
Thanks
Answer #1
vista disables the transparencies on full sized windows by default. I dont know if it can be changed, but im sure Windows 7 doesnt do that.
Answer #2
VistaGlazz Does It For The Original Vista Theme But im Using VistaVG Black Theme