Gallery Lightbox images appear cropped

I am using the gallery module for my “Offers” page. But on click the images don’t show in its full width and length, but come up cropped
Check this link to see how it appears on click
http://www.socialmediabangalore.com/offers/

Hi Balaji,

Thanks for getting in touch. We’ll look into this for you. Can you please send along temp login details via private reply?

Best,
Billy