if you want a real glass look, you could try to change the renderer. If you have an pc, get PoseRay here from the freestuff and the POVRay 3.5 beta from www.Povray.org and make real glass with reflection and refraction. All for free. Just give it a try...

A ship in port is safe; but that is not what ships are built for.
Sail out to sea and do new things.
-"Amazing Grace" Hopper

Avatar image of me done by Chidori.