Google takes a long time to show backlinks, and it never shows all of your backlinks. JKnauf explains in a few posts that new back links will get "sandboxed" by Google and not counted right away. Don't worry too much about it. They will show up eventually. Google has had the same BL count on my website for the past 2 months.

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AJAX Example Sites is now here! With a nice
AJAX Chat Application Tutorial