I am not sure about the other ones, but I looked at your first transaction:
0.029btc from 17zsynejVZjGrSW8tdAmUaCXQRResbfHTB

It is confirmed on the blockchain with a different txid, seems like the recent "Transaction Malleability" issue:
https://blockchain.info/tx/8f1e2e37ba9c339d8255f8216dfa2f0d9977298c02926ce8dac4c88273ce9498