I have tried to run Oracalize as 1:1 of the example provided on their site. During the creation of the contract, I am also sending 1 ether to it (so it is not empty). Still even 30 minutes after this, there appears to be no callback to the contract.
Contract address: 0xbedb1be6c46ac0bc708bc93e3b17edc7751b1187
There are 0 incoming transactions: https://ropsten.etherscan.io/address/0x4e3ffaca2ea2a0afd838116493adcb6d714f5963