Well, yeah, I'm taking a little break now. I'm not not working on it but I was getting so tired of it, that I decided to work at a slower pace. This shouldn't affect the release date too badly, it should still be finished in a week or two.

And those technicolour pictures can't be taken as a perfect reference, they are just pictures taken by a digital camera from a cinema screen after all and they're definitely too bright and also quite blue-shifted (look at Obi's hair and Luke's shoulder) and slightly green-shifted (Luke's hair):

Once you correct those issues, you get something like this:

(I admit I may have gone a step too far but you see my point.)

EDIT: Here's this frame from my latest workprint: