The module below will be extremely beneficial for two reasons. First it creates a powerful backlink for our clients and second, it will create the urgency for them to get their FREE backlink too.

I believe this is a feature that you should push, as backlinks are so critical to Page Rank with the search engines. The fact that you are placing them on your Home Page and not some obscure page, will both impress them and create a HUGE benefit for them too.