[Plugin: Google Doc Embedder] plug in not working properly

I used this plug in and try to embed a powerpoint file

but i am gettting this error

Sorry, it took too long to find the document at the original source.

but before that it shows some ascii codes

here is my link to this for you to see http://www.snowdingo.com/test-2/

i used another plug in before this and i get the same result hence i try this plug in but for some reason both plug in shows same result

anyone have an idea why this happne?

http://wordpress.org/extend/plugins/google-document-embedder/