Maybe you could create a new shot using elements from TPM?
Whatever you choose to do (something or nothing) will be fine. I just can't wait to see the finished product!
"Also its looking like that horrible model shot of the death stars surface when luke blasts at it will ahve to stay too. I've become totally stuck as to what to do here."
--Dang! There has to be somthing...Maybe adding the inside of Lukes cockpit would help?
--cbaka and vbangle have good suggestions as well...
"I've tried using HDTV footage from Jedi for the surface and added lukes X-wing diving in whilst blasting away..."
--Sounds interesting...Since you're not using that shot, you wanna post it?