Angel, I searched high and low, but a good selection of high-quality screencaps of burned Vader are surprisingly impossible to come by. I would take them myself, but I no longer own the DVD.
I did, however, find these:
http://farm2.static.flickr.com/1430/983621762_bd7ca69e74.jpg http://farm2.static.flickr.com/1131/983621746_f89140a0a9.jpg?v=0