Though the texture look in the hair and black clothing of soi fong do look quite unique and un seen before, i do see that you need to take this back and fix the lines since they are largerly jagged, some more details are missing from the vector that should be on it since they were featured in the scan, so i kind of consider this an incomplete vector.
As for a note: I have used photoshop elements and there are other techniques that could be used instead of using a pen tool that could give off the same effect. It also kinda depends on which photoshop elements your using, some do have the pen tool already.
Keep trying^.^