[Plugin: NextGEN Gallery] Incorrect Image Sizes uploading and setting 1000px width only showing 975p

Hi All,

I am having issues regarding the image sizes being shown in the slide show.
I have set all my images to be 1000px wide and 205 high, I have also adjusted the settings on the upload to match, yet whenever I view the page I see the slideshow images at 975px. This is confirmed by me watching the code change as the slideshow alters using Firebug.

Its currently a work in progress but you can see it at:-
https://scarboroughwebsites.co.uk/lstc/

I have checked the css and php coding and cannot find anything that would affect it.

I hope someone can shed some light on the issue.
Many Thanks in advance
Paul

https://www.ads-software.com/extend/plugins/nextgen-gallery/