Sun set for compositing - You can use this sun set image for compositing and practise to get a better practice of it. Its really cool one. I used it several times. I use combustion, shake, nuke, Adobe Aftereffects cs3 too. This image is really help ful. I dont know whether you can download it. If you can do it and use it. You will be really better. I will hwlp you in any doubts in those subjects.