Have you tried Krita?
Discussion
Krita is excellent for digital illustration (and better than GIMP for that chore in my evaluation) but for tasks like photo editing GIMP is more straightforward with less learning curve.
Have you tried Krita?
Krita is excellent for digital illustration (and better than GIMP for that chore in my evaluation) but for tasks like photo editing GIMP is more straightforward with less learning curve.