eighteeneleven

Ooooh. So, is there no way I can select a colour on the same image, to colour over the part I don't want to be there anymore, just... easily, as in, I don't have to keep clicking, clicking, clicking?

Yeah, I agree... it's the best and safest option. Depending on what you're using the image for, the owner might have no problem sending you the original (which would probably still have their copyright in a corner or something, but no watermark across the main part of the image). I know I would be really pissed if someone done this to one of my shots.

Okay... I'm going the way I'm going to describe this might sound stupid, but it's the only way I can think of making much sense. Say there is a green apple on a red background, and I want to cover up that apple with the same colour as the background. I click the cloning stamp on the red background, then move to the apple and click and hold to begin colouring over the apple. When I get so far into colouring over the apple, it starts to appear again, as the circle from where I first clicked on the background has moved. I saw a video of a Photoshop tutorial, which I where I took the idea from, but on that, the second circle - where I first clicked to get the sample I wanted to use to cover the image - doesn't move, therefore I can go ahead with what I need to do. I don't know how different Paint.net is from Photoshop on a scale, but from having played around with PS a little on a friend's computer, I much prefer Paint.net - I can do everything I have needed to do so far, ie. resizing, watermarking, modifying the way a picture looks, etc. Can anyone give me any advice, please?