Thanks, Oniram, that did the trick. The glass is distorting quite well now that the blending is set to translucent, though I'd be interested to see the settings to only apply the transparency and distortion to the alpha and not the rest of the diffuse, but at least I'm on the right path. Thanks again!
So I've started getting my hands dirty with UDK materials, and I'm encountering a situation that I'm not sure about. I'm trying to add a glass effect to the windows of my scene. I'm trying to add some subtle distortion to the glass, but I don't think I'm doing it right. Here's the (very simple) setup - I've used a…