It is a little too blue for my tastes, but it doesn't look bad by any means. I tend to keep things brighter though.
blue layout sidewise if fine,but at the middle,i mean content make it white brown,or white that will be great.
It seems as though you have chosen a not-so profitable niche. Search the DP forums for information on using the Competitive Ad Filter, this may help a little. Good luck and good job with the ad placement.