My friend really wants a captain hook cross stitch, i said i would get it for her, not as easy as i thought!

I got a pic i liked, as couldnt find a whole body cross stitch online, well 1, but it was not really great

Thought it would be sooooo easy to use a converter programme
This is what it should be

And this is what happened

I used myphotostitch.com Any adivce ?
Thanks