There are several ways to get Payment Coins:

You can get some free via our faucet game: http://bitcoinopoly.org/
Earn them via our referral programme: https://www.podbitcoin.com/referral/
Follow us on social media & DM e.g. Twitter https://twitter.com/podbitcoin
Trade them via cryptocurrency exchanges https://crex24.com/exchange/POD-BTC

If you have development, marketing or other skills we do have many bounties available. Just DM for more information.