Are you clipping all the curves? For a flower, you should not be clipping the fabric around the petals. For those you need to "sweep" your needle underneath to push the little ripples towards the area that has been sewn. If you are clipping those outside curves, that would explain why you are getting points.
It is *really* helpful to take a class with an instructor showing you all the ins and outs (pun intended, of course!) of needleturn. Barring that, check your library for a good book with lots of photos.
Edit: Here's an online tutorial with photos that might be helpful:
http://appliquetoday.blogspot.com/20...-tutorial.html