(09-21-2018, 04:26 PM)Audrey Hossain Wrote: Thank you for your help, as a newbie I really appreciate this, as one last question, do you advice me to use the Mybrush tool to do the final touch ups, or is there another way?
No - not for this sort of silhouette type of image. It is a matter of cleaning up edges mainly. Use a tiny brush and paint in either black or the gray. You can paint in straight lines using click - hold shift down - drag - let go
see: https://docs.gimp.org/en/gimp-tutorial-s...lines.html
something like this: https://i.imgur.com/6gZOH1x.jpg
To give maybe this: https://i.imgur.com/sUC0ftj.png
Next one try and find a better starting point