You can indeed set a 0 BTC tx fee. It'll take longer to confirm, but it'll work. You can also send to multiple addresses with a single transaction.
My address is 1BBgpp84BxXGZ97ZATre1HLqqakjJ81WVh.
1DhMjK4Vk9vbj5ZDQNWbomHSRZae8dNmJ8
anyway to do that with blockchain.info?