You can import a photo and create the toolpath, all in the one package by using DeskCNC, you have an option of either 3-D depth carving based on greyscale tones or a 2-D raster to vector, you can download it and try it for 30 Days, it is well priced too.
you can download it from www.deskcnc.com
Hope this helps
"A Helicopter Hovers Above The Ground, Kind Of Like A Brick Doesn't"
Greetings From Down Under
Dave Drain
Akela Australia Pty. Ltd.
(Note: The opinions expressed in this post are my own and are not necessarily those of CNCzone and its management)