How do you get this addon? Rated 1 out of 5 stars

Every time that I try to get this add-on, from different areas on Firefox I get the following message:
The add-on could not be downloaded because of a connection failure on
I read some comments on the forum pages and none of them work for me to download plugins.

This review is for a previous version of the add-on ( 

You can download it from here...