Wordpress.com Site Integration

Hello, 

I have an unpaid site through Wordpress for a temporary promotion and I am unable to use my jotfrom on the site. Do you have a solution? I've tried the embed code, the iFrame code, the wordpress plugin tool and none of them work on the unpaid site. 

Please advise.

Thanks, 

Ray

Destination site: www.griztoughtruck.com

Jotform: http://www.jotformpro.com/form/52045716323954 

You must use the direct link for Wordpress.com, here is a more detailed instruction:

http://www.jotform.com/help/299-How-to-Embed-Form-to-Wordpress-com