If you wanted to do more....
...then you should have not bothered having the song on there. The reason why your file was too big for anything else was because you threw in an entire song. Either cut it down to a nice loop, or don't have it at all. The file size was too big for something like this.
On the tutorial. It was okay. You did explain step by step on how to do faces and bodies, but I just didn't think the art itself was very good. Especially since the girl had Popeye arms.