With gaming legal in all but two states, more than a dozen states are looking for ways to expanding gambling options and get a piece of the growing market.

From Massachusetts to Florida to Kansas, states see gaming as a way to generate much-needed revenues. "It’s a painless source of revenue for states," Richard McGowan, a professor at Boston College tells Stateline.org. "I don’t know where it will stop.'

Some states get a cut of tribal gaming revenues. But even those states are itching for more -- Some California tribes have agreed to hand over more revenues in order to expand their casinos and big deals are in the works in Florida and Massachusetts.

Other states are bypassing tribes altogether. Kansas has authorized state-operated casinos, over the objections of at least one tribe.

According to Stateline.org, commercial casinos generated $5 billion to state and city governments in 2006. Lotteries generated $17 billion for states while tribal casinos contribute $1 billion to states.

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States scramble for gambling jackpot (Stateline.org 9/12)