Getting vectors into other vector-editing programs can sometimes lead to strange results. For example Illustrator may add weird loops to the curves while Flash and Freehand will simply not import them. There are very simple ways to make these programs import the vector result from MagicTracer with all the curves intact.
Here we have 2 DXF files imported into Illustrator. Clearly the the loopy curves on the left are undesirable. The vectors on the right looks very nice, that is the result we want. The difference is in the type of curves. The DXF on the left was saved with B-Splines. The one on the right with Beziers. Selecting Beziers give the proper result in Adobe Illustrator.
This example show 2 vector files imported into Flash (Freehand gives the same results). On the left side is a DXF. The right side is a WMF. Clearly the WMF comes through with everything intact. While the DXF is missing all the curves. Both Flash and Freehand cannot import either B-Splines or Beziers. As a result the curves must be converted to lines that follow the original curved path. Saving from MagicTracer as WMF does just that.
In summary Illustrator needs a DXF with Bezier Curves. While Flash and Freehand need WMF files. If you use another vector editing program and are having problems it is either because they do not recognize either B-Spline or Bezier Curves or neither one. Choosing the right settings in MagicTracer will give you vector output that imports correctly into any other program you use.