Sign up an account at a Bitcoin exchange, like www.coinbase.com, and then buy Bitcoins using bank transfer or credit card.

Sign up a wallet account at https://blockchain.info/wallet/new

Transfer funds from your exchange account (i.e. Coinbase) to your Blockchain wallet.

Visit the gossipslots.eu Cashier, select Bitcoin, generate a Bitcoin address for the desired deposit amount, then log into your Blockchain wallet and send the funds to that address. The funds will automatically be credited shortly.