Problems organising images in project

RH8 HTML

So I've decided to do some house cleaning regarding images.

1. All my images were previously in a folder called 'images' under the main Images folder that you see in the project manager. I've moved them into the sub-folders where their relating topics are stored. So instead of everything being in Images>Images they are now in Images > Folder Name > folder containing topic.

This is fine, and once I moved them I also renamed them. All this was done within RH.

Now when I look in my C:\ I see the images are in the corresponding folders, and have been renamed. But the originals also still exist in the Images>Images folder, with their old names. I just want to be sure I can remove them without any problems, I thought RH would move the images, rather than copy them on the C:\ drive.

2. Another thing, several images that are not in use in my RH project still remain in the Images>Images folder and I cant get rid of them, I've searched high and low and they are not being used anywhere by anything, not by,  topics, snippets, variables nothing......but RH is not removing them, and wont let me remove them from the project manager.

Its kind of superficial stuff, but I like things to be organised and clean, and this is annoying me.

any help appreciated.

Nick