whitespace issues internet explorer

Hi,

I’m encountering some whitespace display issues in internet explorer. Between the portfolio items and the rest of the content there is a huge space of white.

Can you check and help me out?

http://www.moniekaansorgh.nl/newbornfotografie/referenties/

btw, i needyour ip, so i can give you access to the site.

Thank you in advance!

http://wordpress.org/extend/plugins/nimble-portfolio/