I was in the same boat as you not that long ago (I was totally jonesing to join a swap) I put up a private swap request to improve my feed back. And with luck two very nice people took pity on me and did a wonderful private swap with me (they know who they are
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you could try setting up a sale/trade thread most of the feed back asked for is usually based on them.
And just getting your post count up.
if you ever want to do a small private swap drop me a pm anytime. even if it is just for a few blind bags/baits and chocolate it still adds to feed back.