It has been my experience that link exchange can be a little tricky. Do it with caution, I came across a link that is a big help it is 2 video's that explain this completely here it is and I hope it helps you a great deal
Top 20 Linking Secrets Video from Mike Liebner - Article Underground
also check out this blog I found
How I Am Achieving Google Search Engine Rankings Absolutely Free
have an AWESOME day everyone!!!
-mark s-