Please read below, if you have not yet done so; it will ensure that you understand this post.
I can only assume that you have some offer or such like to promote. I would also assume that this is not likely to be the sole site in which you promote your 'wares', so to speak.
Have you realised that the authority of any site is directly related to perceived value of that link. This 'perceived value' being the worth, or indeed, lack thereof which is attached towards having the linked URL being placed in the search engine results pages.
Google is a search engine, not the only one , however it is typically regarded has the most important search engine.
Please visit again as I add to this discussion [albeit slowly..].
Thank you for your valuable time!
Peter Watson aka surgreen