Seesmic stopped working for wordpress 2.8.4

I had using seesmic plugin for three months. I had used 2.7.1 and it works perfectly fine until I upgraded it to 2.8.4 and it doesn’t play anymore. Now nobody can watch the seesmic videos now.

http://wordpress.org/extend/plugins/seesmic-wp/

I would like to have it back to working again.