plenty of googleable help on importing a foto into Sketchup, however, That will not get you useful Gcode from SketchUcam, sorry, the 3D module is broken and very poorly written with no documentation at all so I have been unable to fix it. SketchUcam excels at 2.5D cutting though (-: There are some other solutions though, I have used img2gcode which is a module originally for LinuxCNC though you do not need LinuxCNC installed to run it(you do need python). Here are some links Image to G-Code GitHub - robomechs/image-to-gcode: image-to-gcode for windows and linux without linuxcnc
