LOS ANGELES - The good ol' boys of "The Dukes of Hazzard" crashed past another pair of joke-cracking buddies to the top of the weekend box office.

The adventure comedy, which stars Johnny Knoxville and Seann William Scott as the mischievous Duke cousins, rounded up $30.6 million in its first three days of release.

Owen Wilson and Vince Vaughn's "The Wedding Crashers," which held the top spot last weekend after two weeks as runner-up, slipped back to No. 2 with $16.5 million. Johnny Depp's "Charlie and the Chocolate Factory" dropped to third with $10.6 million.

The little big film of the summer, "March of the Penguins," was No. 6 after taking in $6.9 million over the weekend for a total of $26.2 million.

1. "The Dukes of Hazzard," $30.6 million

2. "The Wedding Crashers," $16.5 million

3. "Charlie and the Chocolate Factory," $10.6 million

4. "Sky High," $9.0 million

5. "Must Love Dogs," $7.4 million

6. "March of the Penguins," $6.9 million

7. "Stealth," $5.8 million

8. "Fantastic Four," $4.1 million

9. "War of the Worlds," $3.6 million

10. "The Island," $3.1 million