instead of the clone stamp tool why not use the healing brush. it does much the same job while automatically compensating for shifts in luminance and hue
Thanks everyone for taking time to answer :) Mr.Bean: Thats my current workflow as i wrote in my post :) Vig: Alchemy is a realy cool program with fun features, completly agree that it would be perfect if the painting was more like photoshop. I understand that photoshop would get confused when trying to content aware fill…