Mondor Captcha image not showing when deployed in IIS server

Hi,

I have implemented captcha control in my webpage based on the article of yours named How to implement Captcha in ASP.Net.

The problem is it is working fine locally,but when i deployed the website in server the captcha image is not showing.

Website:http://www.cliffcreations.com/youth.After entering the site click the contact link in the menu item.In google chrome you can see the image space but no image is showing.

What could be problem?