The question has been closed for the following reason "Ditto won 2.50 mBTC for the best answer." by 359K1RO 06 Mar '13, 21:20
The custom addresses are generated by creating tons of private keys, then checking to see if the corresponding public key has the correct pattern. You can get them by using Vanitygen or vanitypool, or by asking someone else to do it for you.
answered 06 Mar '13, 15:36 Amarite1 532●2