Alternatively, use the Deformation panel to resize your model up by 100 a few times, dynamesh, and resize back down by -100 the same amount if you want extra detail.
Jackson Rathbone: http://www.imdb.com/name/nm1717152/ * The Last Airbender (2010) (post-production) .... Sokka * The Twilight Saga: Eclipse (2010) (post-production) .... Jasper Hale
http://www.digitaltutors.com/forum/showthread.php?4567-Flow-path-twist-problem ( Gist : Go to the MotionPath Attributes, Change World-Up Type to Vector : 1.0 0.0 0.0 )