The colors you used for the background are good, (except Marcello's right, the sun would be lighter, almost white) and I think the form would be better if the lines weren't so stark and straight where the color transition happens in the sunset, blended together, and not such a straight formation.

Umm. but for 8 minutes, dang, I can't even sit my coffee in the right place and get comfortable in 8 minutes! :D

two hours + and no sign of a skull yet lol this is fun to watch