As much i think it's better to use adsense revenue sharing website then using subdomain in blogspot. you don't need to promote your website . just share anything in the website and you will get money from your adsense account. i would recommend you 'goodtolove.com' to share videos, images and you own webpages
I would add quality keyword rich content on a regular basis, build quality links on a daily basis and use only keywords that you are likely to rank for. Keywords that have low competition and high search volume (they are out there!) When done correctly, you should start seeing more traffic and of course, place your ads well. If everything is relevant you should start to see an increase in clicks. Hope that helps.
Try adding a search box from Google and also use the text links as well as normal adds you can add 3 x text links and 2 x search on each page as well as your normal text ads regards coolerchoice
put your ads on good place. Make more traffic, us traffic can make for you high CPC. wanna to exchange link with you to improve our traffic.