The title of the main page may need some work. "Blog Topic Suggestion Application" seems to lack any fluency when you describe it. Perhaps "Cure your blogger's

The title of the main page may need some work. "Blog Topic Suggestion Application" seems to lack any fluency when you describe it. Perhaps "Cure your blogger's block" or something like that, except much better. You also might want to think about bringing your signup forms up to the front page, or at least making the buttons stand out a little more. Maybe bringing the login/signup from the top and putting it above your yellow box would help add to conversions.