Dear John
 
Thank you for your email.
 
You may place images of WO96/1321 material on your site, without charge, provided that it is made clear that no images may be downloaded or copied and used for commercial purposes without the permission of:
The National Archives Image Library, Kew, Surrey, TW9 4DU, UK 
 
You may consider watermarking them in order to protect the images, or you could keep them legible, but below publishable resolution.
 

Yours sincerely

Paul Johnson
The National Archives Image Library Manager