According to the Bible, the best way to ensure God will fight for you in terms of money is to regularly help the poor.
There are also 'green' magic ideas that in order to start getting money in, you have to be prepared to put some of your own money out. This may seem contradictory.
Some personal advice which may or not help: keep direct debits and standing orders to a minimum, avoid getting into debt and pay off any debt as quickly as possible (interest will eat you), have a debit rather than a credit card. also remember the old saying 'look after the pennies and the pounds will look after themselves.' modern interpretation is 'look after the dollars and the hundreds of dollars will look after themselves'. but also look after the cents...