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"You want to make money off the coming bird flu pandemic?" Jim Cramer asked "Mad Money" viewers Tuesday. "You got to stop thinking about drugs like Tamiflu and start thinking about livestock."

We already can't eat beef because of mad cow and cholesterol, and now with bird flu, people won't be able to eat chicken either, he said.

Pigs are the only animals left without some horrible disease that renders them inedible, he said, so he that's why he likes Smithfield Foods ( SFD).

He called the company the "best of breed in the pork industry" and said it is very well run. But the stock has yet to move higher on bird flu, and he said it should go up soon.

Plus, he said the company is going to benefit on the woes of ConAgra Foods ( CAG), which he said is the "worst-run food company in the world."

After screwing up its balance sheet and cutting its dividend, ConAgra still needs cash, so it's selling off good divisions for less than what they are worth, Cramer said. Smithfield has picked up some of them already, and he believes Smithfield stock will jump the next time it buys another good ConAgra unit at a discount.

The Future's So Bright

Cramer said that Oakley ( OO) sunglasses are so untrendy that "they're not even selling knockoffs on the street next to the fake Rolexes." But it's still a smart stock to buy for the summer, he said, in large part because the company is cleaning up its accounting problems.

Once the new management takes care of problems that have forced it to restate its earnings from 2000 to 2004, he believes that the stock will jump. That's because he believes conservative investors who have waited to get in will do so once the financials are cleaned up.

For that reason, he said it could be a good idea to buy Oakley ahead of its restatement and capitalize on the probable spike that will happen after the books are cleared up.

Plus, its sales to the Army are up 40% year on year, Cramer said, making it a good play on the military. And the company plans on opening more retail stores.

Finally, he likes Oakley because the chief executive and chairman "have been doing hand-over-fist buying of stock on the open market," and that shows that management has faith that the company is on the verge of a turnaround.

The Rest's Window Dressing

Herb Greenberg joined Cramer to talk about "window dressing," which refers to trading activity that happens near the end of a quarter designed to boost, or "dress up" a portfolio to be presented to clients. For example, a fund manager might sell losing positions so he or she can display only winners. Or a money manager might try to bid up a stock, so the portfolio gets an artificial lift at the end of the quarter.

It's possible that this is what happened to Hansen ( HANS) and Intuitive Surgical ( ISRG), Cramer said, adding that he doesn't like the kind of buying he has seen in these stocks.

Greenberg agreed, saying there was no real reason for Hansen to be up 12 points the other day and then down. "Nothing about the company changed," he said, calling window dressing a legal form of market manipulation.

Also, Cramer agreed with Greenberg to steer clear of Multi-Fineline Electronix ( MFLX), a stock that has been on fire and could be closing in on a 52-week high.

Greenberg said one reason to be wary is the fact that 88% of its sales came from Motorola ( MOT), meaning that too much of its growth is tied to one company, and even to just one of that company's products, the Razr cell phone.

Cramer wanted to clear up with viewers that he's not a momentum player, but is a flexible buyer and seller of stocks.

"I buy momentum when it can make me money. I buy value when it can make me money," he said, adding that he only buys what's working.

Contango Lessons

He also said that even though natural gas has been falling all quarter, he believes that prices will fall sharply as fund mangers practically give away their natural gas stocks at the end of the quarter to free up cash to buy winners.

And even though these stocks are losers now, Cramer said that something called "contango" makes them a good buy for later.

Contango is when prices on commodities contracts for delivery further out in the future are more expensive than they are currently. Statistics from UBS show that when there is a steep contango in natural gas, there should be a rally, he said.

Cramer said this is what's happening now, so it's time to look at plays like Houston Exploration ( THX), Arena Resources ( ARD), Carrizo Oil & Gas ( CRZO), Energy Partners ( EPL) and Cimarex Energy ( XEC).

These stocks are the cheapest in the group, he said.

Right now, the contract for natural gas 12 months out (in the future) has a 49% premium to the current contract, he said. The last 12 times that that same metric has exceeded 20%, the exploration and production index has had a 19% return, compared with 1% for the S&P over comparable time periods, he said.

Lightning Round

Cramer was bullish on Broadwing ( BWNG), Level 3 Communications ( LVLT), TD Ameritrade ( AMTD), Insteel Industries ( IIIN), GameStop ( GME), Leucadia National ( LUK), Yahoo! ( YHOO), OSI Systems ( OSIS), Flir Systems ( FLIR), UnitedHealth Group ( UNH), Altria ( MO), Apple ( AAPL), Palm ( PALM), Goldcorp ( GG) and Tata Motors ( TTM).

Cramer was bearish on ( REDF), Under Armour ( UARM), Alkermes ( ALKS), General Maritime ( GMR) and NovaGold Resources ( NG).

For more of Cramer's insights during the most recent Lightning Round, click here .

Want more Cramer? Check out Jim's rules and commandments for investing from his latest book by clicking here.

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At the time of publication, Cramer was long Altria, TD Ameritrade, UnitedHealth Group and Yahoo!.

Jim Cramer, host of the CNBC television program "Mad Money," is a Markets Commentator for, Inc., and CNBC, and a director and co-founder of All opinions expressed by Mr. Cramer on "Mad Money" are his own and do not reflect the opinions of or its affiliates, or CNBC, NBC UNIVERSAL or their parent company or affiliates. Mr. Cramer's opinions are based upon information he considers to be reliable, but neither, nor CNBC, nor either of their affiliates and/or subsidiaries warrant its completeness or accuracy, and it should not be relied upon as such. Mr. Cramer's statements are based on his opinions at the time statements are made, and are subject to change without notice. No part of Mr. Cramer's compensation from CNBC or is related to the specific opinions expressed by him on "Mad Money."

None of the information contained in "Mad Money" constitutes a recommendation by Mr. Cramer, or CNBC that any particular security, portfolio of securities, transaction, or investment strategy is suitable for any specific person. You must make your own independent decisions regarding any security, portfolio of securities, transaction, or investment strategy mentioned on the program. Mr. Cramer's past results are not necessarily indicative of future performance. Neither Mr. Cramer, nor, nor CNBC guarantees any specific outcome or profit, and you should be aware of the real risk of loss in following any strategy or investments discussed on the program. The strategy or investments discussed may fluctuate in price or value and you may get back less than you invested. Before acting on any information contained in the program, you should consider whether it is suitable for your particular circumstances and strongly consider seeking advice from your own financial or investment adviser.

Some of the stocks mentioned by Mr. Cramer on "Mad Money" are held in Mr. Cramer's Action Alerts PLUS Portfolio. When that is the case, appropriate disclosure is made on the program and in the "Mad Money" recap available on The Action Alerts PLUS Portfolio contains all of Mr. Cramer's personal investments in publicly-traded equity securities only, and does not include any mutual fund holdings or other institutionally managed assets, private equity investments, or his holdings in, Inc. Since March 2005, the Action Alerts PLUS Portfolio has been held by a Trust, the realized profits from which have been pledged to charity. Mr. Cramer retains full investment discretion with respect to all securities contained in the Trust. Mr. Cramer is subject to certain trading restrictions, and must hold all securities in the Action Alerts PLUS Portfolio for at least one month, and is not permitted to buy or sell any security he has spoken about on television or on his radio program for five days following the broadcast.

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