PR5/DA40 - Permanent signature link
I have over 5000 posts on http://www.forumpromotion.net and I will provide you a signature text link in my signature for only $7 for 1 month. This is a subscription package so you will get to advertise in my signature permenantly for only $7 a month. This is very cheap and will get you a lot of traffic to your site as well as a backlink.
You can add bold and colour to your text link for free. You can view my signature here under the forum post: http://forumpromotion.net/forum/members/mastera.1/
Forum Promotion has a Page Rank of 5, a domain authority of 40 and been online for over 9 years.
If you have any questions, feel free to contact me and I am always willing to help!