Site doesn't look too bad. I agree that your thumbs need to be a little better quality. Look for more sponsors that have teen sites.
I highly suggest
WILD CASH. Here are a couple of their sites that would do well for you.
Teen Slut Bus
Stay After Class
and there are others that would work. They have great high quality images, hosted galleries and killer conversions.
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If you ever start a black TGP/MGP and want to trade with
www.PimpandHo.com, just let me know.