i've changed somethings, let me know what you think now. i'm only averaging about 1% CTR. http://www.2125resource.com
use popular ad-formats instead of the small formats you have now Google has a fine list of all popular formats alsmo make sure you have formats that offer image ads as well use 2-3 of those ad-units to allow sufficient ads to appear often the most expensive ads are boring and hence get few clicks while the lesser expensive ads are more interesting and thus get more clicks to benefit from such more interesting ads more ad-slots are needed than your 2 x 2 slots if you use for example 2 ad-units that have 4-5 ads each like most popular formats have - then you have about 9 competing advertisers on each page and hence more likely an interesting ad than if you have only 4 advertisers in your current 2x2 units
i must have done something right since my ctr doubled last night! i'm going to continue to clean it up and test different channels... and continue to add more and more content.