Spakku, there's really no call to be rude.
Elcar, it sounds like you have a pretty decent start here. I'm not very helpful in how to improve remixes, but I can tell you you have a decent mix. It's pretty straightforward, yeah, but all it takes is a little creative thinking. Try creating your own original melody and mixing that up with the source tune, and try starting these melodies closer to the beginning, rather than starting at 1:20.
I don't have more than that to add, so give it a try and see what you come up with. Good luck!