Header image missing after migration.

I created a website in a subfolder and it worked o.k. I then moved all the files in the subfolder to the root folder. It seems to be all there except for images and the header. There is a place holder for the header but no image and if I reload it in Dashboard it still doesn’t appear on the page.
I downloaded the database with Export, used Wordpad to find and replace the url as the domain name ,(minus the subfolder name), then imported it again.
I changed the URI and the URL in Settings. And I changed the permalinks in Settings to match what I had used before.
I tried activating a new theme then changing it back again but that didn’t change anything.
What am I missing?
The site is http://www.flemingpress.co.uk

Thanks.