Trace Success Stories

 I've been trying to use the PowerTrace function with varying (mostly disappointing) results.  I end up doing the logos by hand tracing them in Corel.   The tutorials I found have very simple examples and of course they come out great.  But trying to do something more complicated like:


 I have problems with it due to the fill.  Tired to make it B&W but that didn't go over well either.


So who is having success with complicated bitmaps and PowerTrace?