Feed modification

I have a issue in my feeds that are generated.

I am using digg digg plugin and it’s generating widgets for the blog posts , Now the issue is that i am getting this widgets html embed in the feeds and this is pissing off my feed subscribers.

Can anyone help me in right direction how i can change the feed to not include these widgets html ?

My feeds location is http://feeds.feedburner.com/phpcollection

Thanks in advance